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Walencrinuroides

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Journal Article

Systematics of some Late Ordovician encrinurine trilobites from Laurentian North America

David K. Moss, Stephen R. Westrop
Published: 01 November 2014
Journal of Paleontology (2014) 88 (6): 1095–1119.
DOI: https://doi.org/10.1666/13-159
... regularis Parnaste, the oldest known encrinurine. The results support monophyly of Frencrinuroides and Walencrinuroides , albeit with more limited species membership than proposed by Lespérance and Desbiens. Previous suggestions that both E. uncatus Evitt and Tripp and E. neuter Evitt and Tripp should...
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Journal Article

Ordovician (Whiterock) calymenid and encrinurid trilobites from the Precordillera of Argentina

Gregory D. Edgecombe, Brian D. E. Chatterton, Beatriz G. Waisfeld, Norberto E. Vaccari
Published: 01 July 1998
Journal of Paleontology (1998) 72 (4): 678–697.
...) and the encrinurids Frencrinuroides edseli new species, Lasaguaditas oweni new genus and species, and Walencrinuroides? new species A. Sulcocalymene Baldis and Pothe, 1995, a purported subgenus of Flexicalymene, is a junior subjective synonym of Platycalymene Shirley, 1936. Platycalymene is now known from Avalonia...
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Walencrinuroides rarus (Walcott, 1877), Plattin Subgroup, Platteville Group, Wisconsin. 1, 9, 10 from the Grand Detour Formation, Beloit. 1, cranidium, UC 12322 (holotype), dorsal view, ×15; 9, 10, pygidium, UC 12323, dorsal and posterior views, ×9 (assigned originally to Encrinurus varicostatus by Walcott, 1877); 2–8, from the Mifflin Formation, and all from the Mount Ida East roadcut, Grant County, except 7, 8 (Dixon North Quarry, Lee County; see DeMott, 1987, table 10.1 for details of localities); 2–5 cranidium MCZ 107677, dorsal, anterior, lateral and posterior views, ×10; 6, cranidium, MCZ 107678, dorsal view, ×10; 7, 8, pygidium, MCZ 107697, dorsal and posterior views, ×10.

Walencrinuroides rarus ( Walcott, 1877 ), Plattin Subgroup, Platteville Gr...

Published: 01 November 2014
Figure 9 Walencrinuroides rarus ( Walcott, 1877 ), Plattin Subgroup, Platteville Group, Wisconsin. 1 , 9 , 10 from the Grand Detour Formation, Beloit. 1 , cranidium, UC 12322 (holotype), dorsal view, ×15; 9 , 10 , pygidium, UC 12323, dorsal and posterior views, ×9 (assigned originally
Image
Walencrinuroides rarus (Walcott, 1877), lower informal member, Lebanon Limestone, Wilson County, Tennessee. All cranidia ×12, and all from the Nashville Speedway Section along HW 452. 1, OU 12650, dorsal view; 2, 3, OU 12591, dorsal and posterior views; 4, OU 12651, dorsal view; 5, OU 12590, dorsal view; 6, 7, OU 12586, anterior and dorsal views; 8–10, OU 12588, lateral, dorsal and anterior views.

Walencrinuroides rarus ( Walcott, 1877 ), lower informal member, Lebanon L...

Published: 01 November 2014
Figure 10 Walencrinuroides rarus ( Walcott, 1877 ), lower informal member, Lebanon Limestone, Wilson County, Tennessee. All cranidia ×12, and all from the Nashville Speedway Section along HW 452. 1 , OU 12650, dorsal view; 2 , 3 , OU 12591, dorsal and posterior views; 4 , OU 12651, dorsal
Image
Walencrinuroides rarus (Walcott, 1877), lower informal member, Lebanon Limestone, Wilson County, Tennessee. All pygidia except 5 (incomplete hypostome), and all from the Nashville Speedway Section along HW 452. 1, OU 12596, dorsal view, ×12; 2–4, OU 12593, dorsal, lateral and posterior views, ×15; 5, OU 12652, ventral view, ×12; 6, OU 12594, dorsal view, ×12; 7, 8, OU 12595, posterior and dorsal views, ×12.

Walencrinuroides rarus ( Walcott, 1877 ), lower informal member, Lebanon L...

Published: 01 November 2014
Figure 11 Walencrinuroides rarus ( Walcott, 1877 ), lower informal member, Lebanon Limestone, Wilson County, Tennessee. All pygidia except 5 (incomplete hypostome), and all from the Nashville Speedway Section along HW 452. 1 , OU 12596, dorsal view, ×12; 2–4 , OU 12593, dorsal, lateral
Journal Article

Ordovician Trilobites from the Romaine and Mingan Formations (Ibexian-Late Whiterockian), Mingan Islands, Quebec

Frederick C. Shaw, Thomas E. Bolton
Published: 01 May 2011
Journal of Paleontology (2011) 85 (3): 406–441.
DOI: https://doi.org/10.1666/10-062.1
... in Encrinuroides have been assigned by Lespérance and Desbiens (1995) to their new genera Walencrinuroides and Frencrinuroides. The three Mingan pygidia are figured as a matter of record and presumably are also Physemataspis insularis (Shaw), but this cannot be proven. GSC 88629, Mingan Formation, upper...
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