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Sinoeocrinus lui

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Ontogeny of early juvenile to mid-mature Sinoeocrinus lui, Zhao et al., 1994, All specimens are latex casts of natural external molds and whitened with heated smoke of NH4Cl. 1, early juvenile with 2-0-2 brachiole pattern, poreless theca, short squared stalk plates and small attachment disk, TH = 1.4 mm, GTB 15-3-35, ×∼14.3; 2, paired early juveniles, 2-0-2 brachiole pattern, thecal plates poreless, slightly elongated stalk, organic detritus to which disk is attached is tipped up, TH = 1.5 mm, GM 9-4a, ×∼14; 3, late early juvenile with 2-0-2 brachiole pattern, pores are developed in thecal plates under the ambulacrals, a few pores developed in basal area, stalk plates semi rounded and developing thorn-like spines, TH = 3.2 mm, GM 9-4-87, ×6.5; 4, early/mid juvenile, with 2-1-2 brachiole pattern, sutural pores under ambulacral plates developed into broad ovals with well developed rims, basal area sutural pores well developed, stalk plates becoming increasingly rounded and thorn-like spines are well developed, attachment disk slightly flared and several layers of small platelets deep, TH = 3.5 mm, GM 9-3-726, ×∼7; 5, late juvenile specimen with 2-1-2 brachiole pattern, increased number of pores under the ambulacrals, scattered pores between sub ambulacral and basal area pores, spines on stalk better developed, attachment disk nubbin-like due to increase in distal stalk diameter, TH = 5 mm, GM 9-2-1037, ×∼4; 6, late juvenile, sub ambulacral sutural pores are enlarged, broadly oval, basal area pores are also enlarged and oval, TH = 6 mm, GM 9-4-841, ×4; 7, early mature specimen, brachioles in 2-1-2 × 2 pattern = 10 brachioles, sutural pores widely, but not densely, spread between thecal plates, stalk with densely developed thorn-like spires, attachment disk knob-like with at least three circlets of platelets, TH = 8.2 mm, GM 9-3220b, ×3; 8, middle mature specimen with sub-ambulacral pores triangular, formed by three plates, plates over all thecal plates common, small platelets intercalated into stalk. TH = 11 mm, GM 9-3-1382, ×3.7; 9, middle mature specimen with (more typically) abundant tripartite pores over entire theca, TH = 11 mm, GM 9-3-617, ×4.5.

Ontogeny of early juvenile to mid-mature Sinoeocrinus lui, Zhao et al., 19... Available to Purchase

Published: 01 July 2012
F igure 5 Ontogeny of early juvenile to mid-mature Sinoeocrinus lui, Zhao et al., 1994 , All specimens are latex casts of natural external molds and whitened with heated smoke of NH 4 Cl. 1, early juvenile with 2-0-2 brachiole pattern, poreless theca, short squared stalk plates and small
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Ontogeny of middle mature to gerontic Sinoeocrinus lui, Zhao et al., 1994. All specimens are latex casts of natural external molds and whitened with heated smoke of NH4Cl. 1, middle mature specimen with large, mostly tripartite sutural pores over most of the theca, TH = 11 mm, GM 9-5-3277, ×3; 2, middle mature specimen with accentuated pores on the distal half of the theca, proximal end of the theca with small intercalate platelets, TH = 13.2 mm, GM 1317, ×2.9; 3, gerontic specimen, brachiole bases in groups of three indicate a brachiole pattern of 2-1-2 × 3 = 15, thecal plates considerably remodeled through resorption and redeposition, pebble-grained ornament well developed, TW = 9 mm, GTM 101233, ×3; 4, stalk and attachment disk on an early mature specimen, TH = 8.2 mm, GM 9-3220b, ×6.7; 5, late mature specimen with considerable remodeling of thecal plates, intercalates between larger stalk plates common, TH = 17.4 mm, GM 10-233a, ×3.3; 6, late mature specimen, brachioles still at 2-1-2 × 2 or 10 brachiole stage, theca appears to be composed of remodeled plates, well-developed anal pyramid made up of short lath-like plates, TH = 18 mm, GM 10-220, ×3.6; 7, detail of food grooves in brachioles, early mature specimen TH = 9.5 mm, GM 9-3-1098, ×5.4.

Ontogeny of middle mature to gerontic Sinoeocrinus lui, Zhao et al., 1994 ... Available to Purchase

Published: 01 July 2012
F igure 6 Ontogeny of middle mature to gerontic Sinoeocrinus lui, Zhao et al., 1994 . All specimens are latex casts of natural external molds and whitened with heated smoke of NH 4 Cl. 1, middle mature specimen with large, mostly tripartite sutural pores over most of the theca, TH = 11 mm, GM
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Sinoeocrinus lui (GM-9–2–3676b) with stereomic microstructure from the Kaili Formation. (a) Region of the theca with exposed stereom. (b) Close-up of (a) showing a thecal plate with stereom. (c, d) Close-ups of stereom. (e, i) Middle portions of the holdfast revealing stereom around the margins of stalk plates. (f) Close-up of (e) showing the boundary (indicated by the arrow) between the edge of a plate with stereom and the cleavage surface of a plate infilled by syntaxial calcite cement. (g, h) Portions of the lower holdfast with almost all stalk plates preserved with stereom. (j) Close-up of a single, ornamented stalk plate with stereom. (k) Basal portion of holdfast preserved as a natural mould showing the boundary between holdfast stalk and attachment structure (e.g. Fig. 2). (l) Close-up of (k) with a small remnant of stereom. (a, d, e, i, h, l) Backscatter electron images; (b, c, f, g, j, k) secondary electron images. Scale bars = 1 mm (a, e, g, h, i, k); 600 μm (b, f, j); 100 μm (c, d); 300 μm (l). Abbreviations: c.p. – clay-filled plate; c.s. – cleavage surface; h.p. – holdfast plates; p.m. – plate moulds; s.m. – stereomic microstructure.

Sinoeocrinus lui (GM-9–2–3676b) with stereomic microstructure from the Kai... Available to Purchase

Published: 01 January 2008
Figure 10. Sinoeocrinus lui (GM-9–2–3676b) with stereomic microstructure from the Kaili Formation. (a) Region of the theca with exposed stereom. (b) Close-up of (a) showing a thecal plate with stereom. (c, d) Close-ups of stereom. (e, i) Middle portions of the holdfast revealing stereom around
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Figure7—Details of Sinoeocrinus lui. Latex casts whitened by NH4Cl. 1, Distal end of holdfast and eroded attachment disk, note the thornlike ornament on holdfast plates, enlargement from Figure 4.6, ×13; 2, details of mature thecal plates and multiplated anal pyramid, GTBM 92, ×7; 3, details of the oval oral opening and adjacent brachioles, enlargement from Figure 5.1, ×10; 4, details of brachiole structure, note tall cover plates and exposed food groove, GTBM 931098, ×10

Figure 7 —Details of Sinoeocrinus lui . Latex casts whitened by NH 4 Cl. ... Available to Purchase

Published: 01 November 2006
Figure 7 —Details of Sinoeocrinus lui . Latex casts whitened by NH 4 Cl. 1, Distal end of holdfast and eroded attachment disk, note the thornlike ornament on holdfast plates, enlargement from Figure 4.6 , ×13; 2, details of mature thecal plates and multiplated anal pyramid, GTBM 92, ×7; 3
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Figure5—Sinoeocrinus lui. All specimens are latex casts whitened with NH4Cl. All specimens are from the Kaili formation (Kaili Biota), Miobampo Section = GTBM or the Wuilu Section = GTB, to the north-northwest of Balang, Taijiang County, Guizhou Province, China. TH = Thecal height. 1, Adult displays a large oval oral opening, 10 brachiole stage, TH = 11 mm, GTBM 952688, ×4.3; 2, adult, 10 brachiole stage, TH = 16 mm, note immature/juvenile plating at distal end of holdfast, GTBM 95001, ×3.2; 3, 5, mature adult with well-developed anal pyramid, sutural pores mature with prominent rims, TH = 18.5 mm, 10 brachiole stage, proximal holdfast with mature plating, GTBM 10220, ×4.7 and 3.2, respectively; 4, mature adult specimen, TH = 17.4 mm, 10 brachiole stage, note mature aspects of sutural pores and proximal holdfast, GTBM 101233b, ×2.9

Figure 5 — Sinoeocrinus lui . All specimens are latex casts whitened with ... Available to Purchase

Published: 01 November 2006
Figure 5 — Sinoeocrinus lui . All specimens are latex casts whitened with NH 4 Cl. All specimens are from the Kaili formation (Kaili Biota), Miobampo Section = GTBM or the Wuilu Section = GTB, to the north-northwest of Balang, Taijiang County, Guizhou Province, China. TH = Thecal height. 1
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Figure6—Sinoeocrinus lui. Latex cast whitened by NH4Cl. From the Kaili Formation (Kaili Biota) Miobanpo Section, north-northwest of Balang, Taijiang County, Guizhou Province, China. Advanced mature/ gerontic specimen, TH = 21+ mm, 15 brachiole stage, note triple brachiole bases, mature sutural pores, and surface ornament on thecal plates, GTMB 101233, ×3.9

Figure 6 — Sinoeocrinus lui . Latex cast whitened by NH 4 Cl. From the Kai... Available to Purchase

Published: 01 November 2006
Figure 6 — Sinoeocrinus lui . Latex cast whitened by NH 4 Cl. From the Kaili Formation (Kaili Biota) Miobanpo Section, north-northwest of Balang, Taijiang County, Guizhou Province, China. Advanced mature/ gerontic specimen, TH = 21+ mm, 15 brachiole stage, note triple brachiole bases, mature
Journal Article

LONG STALKED EOCRINOIDS IN THE BASAL MIDDLE CAMBRIAN KAILI BIOTA, TAIJIANG COUNTY, GUIZHOU PROVINCE, CHINA Available to Purchase

RONALD L. PARSLEY, YUANLONG ZHAO
Published: 01 November 2006
Journal of Paleontology (2006) 80 (6): 1058–1071.
DOI: https://doi.org/10.1666/0022-3360(2006)80[1058:LSEITB]2.0.CO;2
...Figure 7 —Details of Sinoeocrinus lui . Latex casts whitened by NH 4 Cl. 1, Distal end of holdfast and eroded attachment disk, note the thornlike ornament on holdfast plates, enlargement from Figure 4.6 , ×13; 2, details of mature thecal plates and multiplated anal pyramid, GTBM 92, ×7; 3...
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Journal Article

Ontogeny, Functional Morphology, and Comparative Morphology of Lower (Stage 4) and Basal Middle (Stage 5) Cambrian Gogiids, Guizhou Province, China Available to Purchase

Ronald L. Parsley
Published: 01 July 2012
Journal of Paleontology (2012) 86 (4): 569–583.
DOI: https://doi.org/10.1666/10-153R2.1
...F igure 5 Ontogeny of early juvenile to mid-mature Sinoeocrinus lui, Zhao et al., 1994 , All specimens are latex casts of natural external molds and whitened with heated smoke of NH 4 Cl. 1, early juvenile with 2-0-2 brachiole pattern, poreless theca, short squared stalk plates and small...
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Journal Article

Basal Middle Cambrian Short-Stalked Eocrinoids from the Kaili Biota: Guizhou Province, China Available to Purchase

Yuanlong Zhao, Ronald L. Parsley, Jin Peng
Published: 01 March 2008
Journal of Paleontology (2008) 82 (2): 415–422.
DOI: https://doi.org/10.1666/06-041.1
..., pointed cover plates. Some younger mature specimens have varying patches of non-pored plates that usually occur on the upper (probably) posterior portion of the theca. This species is over three times more abundant than the other co-occurring long-stalked gogiid Sinoeocrinus lui Zhao, Huang and Gong, 1994...
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View PDF for article title, Basal Middle Cambrian Short-Stalked Eocrinoids from the Kaili Biota: Guizhou Province, China
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Examples of Pararotadiscus guizhouensis with associated taxa (indicated by arrows): (1) with Sinoeocrinus lui with holdfast (GTBM-10-10122); (2) with the monoplacophoran Oelandiella cf. O. accordinononta Runnegar and Jell, 1976 (GTB-9-5-2884); (3) with Sinoeocrinus lui with holdfast (GTBM-20-1-32a); (4) with brachiopods (GTBM-9-3-2a). Scale bar=10 mm.

Examples of Pararotadiscus guizhouensis with associated taxa (indicated b... Available to Purchase

Published: 30 April 2018
Figure 7. Examples of Pararotadiscus guizhouensis with associated taxa (indicated by arrows): ( 1 ) with Sinoeocrinus lui with holdfast (GTBM-10-10122); ( 2 ) with the monoplacophoran Oelandiella cf. O . accordinononta Runnegar and Jell, 1976 (GTB-9-5-2884); ( 3 ) with Sinoeocrinus
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Exceptionally preserved gogiids with stereom from the Kaili Formation. Scale bars = 5 mm. (a) ‘Sinoeocrinus globus’ (GM-9–4–1524). (b) Sinoeocrinus lui (GM-9–2–3676b). Detailed SEM images are illustrated in Figures 9, 10.

Exceptionally preserved gogiids with stereom from the Kaili Formation. Scal... Available to Purchase

Published: 01 January 2008
Figure 8. Exceptionally preserved gogiids with stereom from the Kaili Formation. Scale bars = 5 mm. (a) ‘ Sinoeocrinus globus ’ (GM-9–4–1524). (b) Sinoeocrinus lui (GM-9–2–3676b). Detailed SEM images are illustrated in Figures 9 , 10 .
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Illustration of morphological terminology used for Cambrian gogiids from Guizhou Province, China, based on latex casts. See text for details. All scale bars = 5 mm. (a) New early Cambrian species (gogiid sp. 2) with distinctive break in the junction between the theca and holdfast from the Balang Formation, KW-8–229. (b) New early Cambrian species (gogiid sp. 1) with gradational transition between the theca and holdfast from the Balang Formation, ZJ 001. (c) Sinoeocrinus lui from the Kaili Formation, GM-9–5–3701. (d) ‘Sinoeocrinus globus’ from the Kaili Formation, GM-9–4–445. (e) Enlarged view of the holdfast of a S. lui, GTBJ-16–2–26. (f) Enlarged view of the holdfast of a ‘S. globus’, which is a different specimen on the same slab as (d) GM-9–4–445.

Illustration of morphological terminology used for Cambrian gogiids from Gu... Available to Purchase

Published: 01 January 2008
the Balang Formation, KW-8–229. (b) New early Cambrian species (gogiid sp. 1) with gradational transition between the theca and holdfast from the Balang Formation, ZJ 001. (c) Sinoeocrinus lui from the Kaili Formation, GM-9–5–3701. (d) ‘ Sinoeocrinus globus ’ from the Kaili Formation, GM-9–4–445. (e
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Examples of Pararotadiscus guizhouensis with associated taxa (indicated by arrows): (1) with dissociated brachiopod valves (GTB-9-3-4207); (2) with complete Sinoeocrinus lui and Pagetia cranidia and pygidia (GTBM-9-3-5004b); (3) with dissociated brachiopod valves and cranidia and pygidia of Pagetia (GTB-9-4-512); (4) with dissociated brachiopod valves and cranidia and pygidia of Pagetia (GTBM-9-5-3462); (5) with Haplophrentis cf. H. carinatus (Matthew, 1899) (Mao et al., 1992) and pygidia of Pagetia (GTB-9-4-2256); (6) with trilobite cranidia (GTBM-17-433). Scale bars=10 mm.

Examples of Pararotadiscus guizhouensis with associated taxa (indicated b... Available to Purchase

Published: 30 April 2018
Figure 6. Examples of Pararotadiscus guizhouensis with associated taxa (indicated by arrows): ( 1 ) with dissociated brachiopod valves (GTB-9-3-4207); ( 2 ) with complete Sinoeocrinus lui and Pagetia cranidia and pygidia (GTBM-9-3-5004b); ( 3 ) with dissociated brachiopod valves
Journal Article

Taphonomy, palaeoecological implications, and colouration of Cambrian gogiid echinoderms from Guizhou Province, China Available to Purchase

JIH-PAI LIN, WILLIAM I. AUSICH, YUAN-LONG ZHAO, JIN PENG
Published: 01 January 2008
Geological Magazine (2008) 145 (1): 17–36.
DOI: https://doi.org/10.1017/S0016756807003901
...Figure 10. Sinoeocrinus lui (GM-9–2–3676b) with stereomic microstructure from the Kaili Formation. (a) Region of the theca with exposed stereom. (b) Close-up of (a) showing a thecal plate with stereom. (c, d) Close-ups of stereom. (e, i) Middle portions of the holdfast revealing stereom around...
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Paleoecological Significance of Complex Fossil Associations of the Eldonioid Pararotadiscus guizhouensis with other Faunal Members of the Kaili Biota (Stage 5, Cambrian, South China) Available to Purchase

Yuanlong Zhao, Mingkun Wang, Steven T. LoDuca, Xinglian Yang, Yuning Yang, Yujuan Liu, Xin Cheng
Published: 30 April 2018
Journal of Paleontology (2018) 92 (6): 972–981.
DOI: https://doi.org/10.1017/jpa.2018.41
...Figure 7. Examples of Pararotadiscus guizhouensis with associated taxa (indicated by arrows): ( 1 ) with Sinoeocrinus lui with holdfast (GTBM-10-10122); ( 2 ) with the monoplacophoran Oelandiella cf. O . accordinononta Runnegar and Jell, 1976 (GTB-9-5-2884); ( 3 ) with Sinoeocrinus...
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View PDF for article title, Paleoecological Significance of Complex Fossil Associations of the Eldonioid Pararotadiscus guizhouensis with other Faunal Members of the Kaili Biota (Stage 5, Cambrian, South China)
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Journal Article

A NEW TURBAN-SHAPED GOGIID EOCRINOID FROM THE KAILI FORMATION (KAILI BIOTA), BALANG, JIANHE COUNTY, GUIZHOU PROVINCE, CHINA Available to Purchase

RONALD L. PARSLEY, YUANLONG ZHAO
Published: 01 May 2010
Journal of Paleontology (2010) 84 (3): 549–553.
DOI: https://doi.org/10.1666/08-178.1
... brachiopods, but because of their size and varied morphology, they stand out. Three eocrinoid genera: Sinoeocrinus lui ( Zhao et al., 1994 ), similar to Gogia prolifica Walcott 1917 , Mt. Whyte Formation, lower Middle Cambrian, British Columbia; Globoeocrinus globulus Zhao et al., 2008 , similar...
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Book Chapter

Cambrian echinoderm diversity and palaeobiogeography Available to Purchase

Author(s)
Samuel Zamora, Bertrand Lefebvre, J. Javier Álvaro, Sébastien Clausen, Olaf Elicki, Oldrich Fatka, Peter Jell, Artem Kouchinsky, Jih-Pai Lin, Elise Nardin, Ronald Parsley, Sergei Rozhnov, James Sprinkle, Colin D. Sumrall, Daniel Vizcaïno, Andrew B. Smith
Book: Early Palaeozoic Biogeography and Palaeogeography
Series: Geological Society, London, Memoirs
Publisher: Geological Society of London
Published: 01 January 2013
DOI: 10.1144/M38.13
EISBN: 9781862396425
... the Furongian of Australia. ( e ) Sinoeocrinus lui (GM 9-3-1382) from the Cambrian Series 3 of China. ( f ) Protorophus hispanicus (MPZ2009/1233) from the Cambrian Series 3 of Spain. ( g ) Ubaghsicystis segurae (MNCN-I-30849) from Cambrian Series 3 of Spain. ( h ) Velieuxicystis ornata (VCMN 523a) from...
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Abstract
View PDF for content titled, Cambrian echinoderm diversity and palaeobiogeography
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Abstract The distribution of all known Cambrian echinoderm taxa, encompassing both articulated specimens and taxonomically diagnostic isolated ossicles, is documented for the first time. The database described by 2011 comprises 188 species recorded from 65 formations from around the world. Formations that have yielded articulated echinoderms are unequally distributed in space and time. Only Laurentia and West Gondwana provide reasonably complete records at the resolution of Stage. The review of the biogeographical distributions of the eight major echinoderm clades shows that faunas from Laurentia and Northeast Gondwana (China and Korea) are distinct from those of West Gondwana and Southeast Gondwana (Australia); other regions are too poorly sampled to make firm palaeobiogeographical statements. Analysis of alpha diversity (species per formation) shows that diversity rose initially to Cambrian Stage 5, declined into Guzhangian and Paibian before returning to Stage 5 levels by the end of the Cambrian. This pattern is replicated in Laurentia and West Gondwana. We show that taxonomically diagnostic ossicles found in isolation typically occur significantly earlier than the first articulated specimens of the same taxa and provide important information on the first occurrence and palaeobiogeographical distribution of key taxa, and of the phylum as a whole. Supplementary material: Articulated Cambrian echinoderms and Isolated plates of Cambrian echinoderms are provided at: http://www.geolsoc.org.uk/SUP18668