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![FIGURE 1—A) Juvenile of Eoredlichia intermediaLu, 1940 (ELI-EOM001) and associated trail from Heilinpu Formation, lower Cambrian, southwestern China; B) camera-lucida drawing of specimen. Inequilateral polygon = muscovite flakes; small dot = coarse felsic minerals; scale bar = 1 mm.]()
![Figure6—Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, Magnification of anterior part of RCCBYU 10177 (Fig. 3.2), showing the first antenna and mandibles, ×5.3; 2, magnification of anterior part of RCCBYU 10178 (Fig. 4.1), showing the second antenna, ×6.4; 3, RCCBYU 10172, part, showing the middle fluke, ×6.5. Abbreviations as for Figure 5]()
![Figure4—Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, RCCBYU 10178, part, mainly showing carapace, multisegmented trunk and appendages, a segmented appendage bearing a cluster of spines in the cephalic region is explained as a part of the second antenna, ×2.8 (also Fig. 5.5); 2, RCCBYU 10179, ×3.3; 3, 4, RCCBYU 10180, part and counterpart, ×3 and ×2.1, respectively; 5–7, RCCBYU 10181; 5, part, ×2.6 (also Fig. 5.8); 6, counterpart, ×2.9; 7, magnification of endopods of the counterpart, ×10.4 (also Fig. 5.10)]()
![Paratype of Antennacanthopodia gracilis n. gen. n. sp. (ELI-JS022643), Lower Cambrian Heilinpu Formation, Yunnan, China. This specimen exhibits a seemingly slenderer appearance owing to the carcass devoid of cuticular outline. 1–2, part and counterpart respectively, showing the head region with frontal antennae (arrowheads), trunk with nine pairs of lobopods, voluminous midgut, and leg musculatures; 3, enlargement of the head region, showing the frontal antenna with transverse striations (arrowheads); 4, lobopod L4 (part) terminated in a sclerotized leg pad (arrowhead); 5, lobopod R3 and R4 (counterpart) and partial trunk, showing also the preserved muscles, midgut, and leg spines arrayed in circlets. Scale bar represents 1 mm for 1–3; 500 µm for 4–5.]()
![Figure5—Explanatory drawings of Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, RCCBYU 10173; 2, RCCBYU 10176; 3, 4, part and counterpart of RCCBYU 10177; 5, RCCBYU 10178; 6, 7, part and counterpart of RCCBYU 10174; 9, RCCBYU 10175; 8, 10, RCCBYU 10181; 8, part; 10, magnification of endopods of the counterpart. Abbreviations: al, alimentary canal; an1, first antenna; an2, second antenna; e, eye; en, endopod; ex, exopod; exo, exotic priapulid; f, fluke; g-1, g-2, g-3, numbered groove in fluke; l, prefix indicating left side; m, mandible; mf, middle fluke; ms, muscle scar; pe, peduncle; r, prefix indicating right side; se, setae of exopod; t-1, t-2, etc., numbered trunk segments (t-1 is the segment immediately before the telson); te, telson; v, valve of carapace]()
![Figure2—1–6, Pectocaris eurypetala (Hou and Sun, 1988) from the Lower Cambrian Heilinpu Formation. 1, RCCBYU 10173, from Anshan section, Haikou, Kunming, ×3.1 (also Fig. 5.1); 2, NIGPAS 103807, the holotype of Pectocaris eurypetala, from Meishucun section in Jinning, Yunnan, showing 13 segments and an elongate telson bearing a pair of broad flukes, and the setae in the right lateral fluke probably indicating the presence of a median telson fluke, ×4.5; 3, 4, RCCBYU 10174, part and counterpart, from Anshan section, Haikou, Kunming, mainly showing the carapace, appendages and telson; the tubular structure preserved at the anterior part of the carapace is a priapulid tube, ×3.9 and ×4.5, respectively (also Fig. 5.6, 5.7); 5, RCCBYU 10175, from Anshan section, Haikou, Kunming, mainly showing the elongate telson, broad flukes, and spiny endopod, ×3.4 (also Fig. 5.9); 6, RCCBYU 10176, from Anshan section, Haikou, Kunming, ×1.5 (also Fig. 5.2); 7,Pectocaris spatiosaHou, 1999, CN 115377, an incomplete specimen originally assigned as Odaraia? EurypetalaHou and Sun, 1988, from Maotianshan section, Chengjiang, Yunnan, ×2.2]()
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![Holotype of Antennacanthopodia gracilis n. gen. n. sp. (ELEL-EJ081876), Lower Cambrian Heilinpu Formation, Yunnan, China. 1, part, overall view of complete specimen, head region defined by frontal and second antennae and inferred lateral ocelli, trunk with paired, muscular lobopods (armed with tiny spines and terminated in disc-shaped leg pads), a straight, spacious midgut, and putative posterior cirriform appendicules; 2, interpretive drawing of 1, dark patches represent organic remains; 3, overall view of counterpart, note the spacious midgut, body cavity, and paired, segmental leg musculature; 4–5, enlarged views of head region in 3 and 1, respectively, showing the vaulted frontal portion, the frontal and second antennae, and potential lateral ocelli (arrowheads); 6–7, enlargement of lobopods L2 and L4 (part) respectively, showing terminal, heavily-sclerotized pad-like structures, and sharply pointed spines (arrowheads) both on the leg and trunk; 8–9, enlarged views of lobopods L5 and L6 (counterpart), respectively, both developed with internal muscle tissues and armed with annuli of highly-sclerotized, radially arrayed spines (staggered pattern of arrangement shown in 9); 10, enlarged view of the endmost portion of the trunk (Part), showing a hardened end attached with a pair of cirriform structures (arrowheads). Abbrevations: An = frontal antenna; Ans = second antenna; Bc = body cavity; Bm = body-wall musculature; Br = brain; Es = esophagus; Fp = frontal portion; Hr = head region; L1–L9, left lobopod 1–9; Lm = leg musculature; Lp = leg pad; Mg = midgut; Oc = Ocellus; Pa = posterior terminal appendicule; Ph = Pharynx; Pp = posterior projection; R1–R9, right lobopod 1–9; Sp = Spine; Tr = Trunk region. Scale bars represent 1 mm for 1–5 and 10; 500 µm for 6–9.]()
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1-18 OF 18 RESULTS FOR
Heilinpu Formation
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Journal Article
EARLY CAMBRIAN TRILOBITES FROM ANGORICHINA, FLINDERS RANGES, SOUTH AUSTRALIA, WITH A NEW ASSEMBLAGE FROM THE PARARAIA BUNYEROOENSIS ZONE Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 January 2007
Journal of Paleontology (2007) 81 (1): 116–142.
..., including the eponymous species, Yorkella aff. australis , Eoredlichia sp., Redlichia sp., and the new species Wutingaspis euryoptilos and Yunnanocephalus macromelos . Trilobites of the Pararaia bunyerooensis Zone show a strong affinity with those from the Yu'anshan Member of the Heilinpu Formation...
FIGURES
Image
FIGURE 1 —A) Juvenile of Eoredlichia intermedia Lu, 1940 (ELI-EOM001) an... Available to Purchase
in A juvenile redlichiid trilobite caught on the move: Evidence from the Cambrian (Series 2) ChengJiang Lagerstätte, southwestern China
> PALAIOS
Published: 01 July 2009
FIGURE 1 —A) Juvenile of Eoredlichia intermedia Lu, 1940 (ELI-EOM001) and associated trail from Heilinpu Formation, lower Cambrian, southwestern China; B) camera-lucida drawing of specimen. Inequilateral polygon = muscovite flakes; small dot = coarse felsic minerals; scale bar = 1 mm.
Image
Figure 6 — Pectocaris eurypetala from the Lower Cambrian Heilinpu Formati... Available to Purchase
in THE LOWER CAMBRIAN CRUSTACEAN PECTOCARIS FROM THE CHENGJIANG BIOTA, YUNNAN, CHINA
> Journal of Paleontology
Published: 01 July 2004
Figure 6 — Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, Magnification of anterior part of RCCBYU 10177 ( Fig. 3.2 ), showing the first antenna and mandibles, ×5.3; 2, magnification of anterior part of RCCBYU 10178 ( Fig. 4.1
Image
Figure 4 — Pectocaris eurypetala from the Lower Cambrian Heilinpu Formati... Available to Purchase
in THE LOWER CAMBRIAN CRUSTACEAN PECTOCARIS FROM THE CHENGJIANG BIOTA, YUNNAN, CHINA
> Journal of Paleontology
Published: 01 July 2004
Figure 4 — Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, RCCBYU 10178, part, mainly showing carapace, multisegmented trunk and appendages, a segmented appendage bearing a cluster of spines in the cephalic region is explained
Image
Paratype of Antennacanthopodia gracilis n. gen. n. sp. (ELI-JS022643), Lowe... Available to Purchase
in A Rare Onychophoran-Like Lobopodian from the Lower Cambrian Chengjiang Lagerstätte, Southwestern China, and its Phylogenetic Implications
> Journal of Paleontology
Published: 01 May 2011
F igure 2 Paratype of Antennacanthopodia gracilis n. gen. n. sp. (ELI-JS022643), Lower Cambrian Heilinpu Formation, Yunnan, China. This specimen exhibits a seemingly slenderer appearance owing to the carcass devoid of cuticular outline. 1–2 , part and counterpart respectively, showing the head
Image
Figure 5 —Explanatory drawings of Pectocaris eurypetala from the Lower C... Available to Purchase
in THE LOWER CAMBRIAN CRUSTACEAN PECTOCARIS FROM THE CHENGJIANG BIOTA, YUNNAN, CHINA
> Journal of Paleontology
Published: 01 July 2004
Figure 5 —Explanatory drawings of Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, RCCBYU 10173; 2, RCCBYU 10176; 3, 4, part and counterpart of RCCBYU 10177; 5, RCCBYU 10178; 6, 7, part and counterpart of RCCBYU 10174; 9
Image
Figure 2 — 1 – 6 , Pectocaris eurypetala ( Hou and Sun, 1988 ) from the ... Available to Purchase
in THE LOWER CAMBRIAN CRUSTACEAN PECTOCARIS FROM THE CHENGJIANG BIOTA, YUNNAN, CHINA
> Journal of Paleontology
Published: 01 July 2004
Figure 2 — 1 – 6 , Pectocaris eurypetala ( Hou and Sun, 1988 ) from the Lower Cambrian Heilinpu Formation. 1, RCCBYU 10173, from Anshan section, Haikou, Kunming, ×3.1 (also Fig. 5.1 ); 2, NIGPAS 103807, the holotype of Pectocaris eurypetala , from Meishucun section in Jinning, Yunnan
Journal Article
THE LOWER CAMBRIAN CRUSTACEAN PECTOCARIS FROM THE CHENGJIANG BIOTA, YUNNAN, CHINA Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 July 2004
Journal of Paleontology (2004) 78 (4): 700–708.
...Figure 6 — Pectocaris eurypetala from the Lower Cambrian Heilinpu Formation from the Anshan section, Haikou, Kunming. 1, Magnification of anterior part of RCCBYU 10177 ( Fig. 3.2 ), showing the first antenna and mandibles, ×5.3; 2, magnification of anterior part of RCCBYU 10178 ( Fig. 4.1...
FIGURES
Image
Holotype of Antennacanthopodia gracilis n. gen. n. sp. (ELEL-EJ081876), Low... Available to Purchase
in A Rare Onychophoran-Like Lobopodian from the Lower Cambrian Chengjiang Lagerstätte, Southwestern China, and its Phylogenetic Implications
> Journal of Paleontology
Published: 01 May 2011
F igure 1 Holotype of Antennacanthopodia gracilis n. gen. n. sp. (ELEL-EJ081876), Lower Cambrian Heilinpu Formation, Yunnan, China. 1 , part, overall view of complete specimen, head region defined by frontal and second antennae and inferred lateral ocelli, trunk with paired, muscular lobopods
Journal Article
New Early Cambrian bivalved arthropods from southern France Available to Purchase
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 November 2005
Geological Magazine (2005) 142 (6): 751–763.
... (e.g. meiofaunal organisms). Along with hyolithids, bradoriids were amongst the most abundant animals of the Early Cambrian epibenthos (e.g. Yu’anshan Member, Heilinpu Formation (formerly Qiongzhusi Formation) southern China: Vannier & Chen, 2005 ). Their frequent high abundance suggests...
FIGURES
Journal Article
A juvenile redlichiid trilobite caught on the move: Evidence from the Cambrian (Series 2) ChengJiang Lagerstätte, southwestern China Available to Purchase
Journal: PALAIOS
Publisher: SEPM Society for Sedimentary Geology
Published: 01 July 2009
PALAIOS (2009) 24 (7): 473–477.
...FIGURE 1 —A) Juvenile of Eoredlichia intermedia Lu, 1940 (ELI-EOM001) and associated trail from Heilinpu Formation, lower Cambrian, southwestern China; B) camera-lucida drawing of specimen. Inequilateral polygon = muscovite flakes; small dot = coarse felsic minerals; scale bar = 1 mm. ...
FIGURES
Journal Article
A Rare Onychophoran-Like Lobopodian from the Lower Cambrian Chengjiang Lagerstätte, Southwestern China, and its Phylogenetic Implications Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 May 2011
Journal of Paleontology (2011) 85 (3): 587–594.
...F igure 2 Paratype of Antennacanthopodia gracilis n. gen. n. sp. (ELI-JS022643), Lower Cambrian Heilinpu Formation, Yunnan, China. This specimen exhibits a seemingly slenderer appearance owing to the carcass devoid of cuticular outline. 1–2 , part and counterpart respectively, showing the head...
FIGURES
Journal Article
A New Helcionelloid Mollusk from the Middle Cambrian Burgess Shale, Canada Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 November 2013
Journal of Paleontology (2013) 87 (6): 1067–1070.
... the lower Cambrian Heilinpu Formation, Chengjiang, Yunnan .
Acta Palaeontologica Sinica ,
41 :
303 –
307 .
Zhao
Y-L.
Zhu
M-Y.
Babcock
L. E.
Peng...
FIGURES
Journal Article
Preservation of Early Cambrian animals of the Chengjiang biota Available to Purchase
Journal: Geology
Publisher: Geological Society of America
Published: 01 October 2004
Geology (2004) 32 (10): 901–904.
... composition. Fossil specimens investigated come from Maotianshan and the vicinity of Haikou within the Lower Cambrian Yu'anshan Member, Heilinpu Formation (see Hou et al., 2004 ). The host rock is a marine, fine-grained laminated mudrock that has been intensely weathered to a characteristic yellowish...
FIGURES
Journal Article
The attachment strategies of Cambrian kutorginate brachiopods: the curious case of two pedicle openings and their phylogenetic significance Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 02 October 2017
Journal of Paleontology (2018) 92 (1): 33–39.
... to the Yu’anshan Member (the Eoredlichia - Wudingaspis trilobite Zone) of upper Heilinpu Formation (Qiongzhusian stage). More detailed account of the localities and stratigraphy can be found in Zhang et al. ( 2007 ). Figure 2 The Burgess Shale-type preservation of the rhynchonelliform brachiopod...
FIGURES
Journal Article
A reappraisal of the early Cambrian artiopod Acanthomeridion serratum reveals cephalic appendages specialized for durophagy Available to Purchase
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 07 May 2025
Journal of the Geological Society (2025) 182 (4): jgs2024-156.
... understanding of the Artiopoda group. The studied material consists of 17 specimens from three localities of the early Cambrian (Series 2, Stage 3) Yu'anshan Member of the Heilinpu Formation (the Chengjiang Konservat-Lagerstätte) in eastern Yunnan Province, China ( Eoredlichia – Wutingaspis trilobite...
FIGURES
Journal Article
Morphology of the radiodontan Lyrarapax from the early Cambrian Chengjiang biota Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 July 2016
Journal of Paleontology (2016) 90 (4): 663–671.
... (such as the Qiongzhusi Fm., Heilinpu Fm., Yu’anshan Fm., etc.). To help clarify this matter, we review changes of this lithostratigraphic unit’s name ( Table 1 ). Although the lithostratigraphic range of the Chiungchussu Formation was debated during the 1940s to 1970s, more recently it has been widely accepted...
FIGURES
Journal Article
New Artiopodan Arthropods from the Early Cambrian Emu Bay Shale Konservat-Lagerstätte of South Australia Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 March 2012
Journal of Paleontology (2012) 86 (2): 340–357.
... and Bergström, 1997 , from the lower Cambrian (Series 2, Stage 3; Eoredlichia-Wutingaspis Zone) Yu'anshan Member, Heilinpu Formation, Chengjiang, Yunnan, China. See Zhang et al. (2004 , p. 606), but with the amendment that the trunk can contain up to 11 thoracic tergites. The diagnosis...
FIGURES
