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Oryctocephalites palmeri

Artiopoda - Corynexochida - Oryctocephalidae

Taxonomy
Oryctocephalites palmeri was named by Sundberg and McCollum (1997). Its type specimen is USNM 488926 and is a 3D body fossil. Its type locality is Oak Springs Section (ICS-1024), which is in a Dyeran marine horizon in the Pioche Shale Formation of Nevada.

It was recombined as Oryctocephalites (Parachangaspis) palmeri by Yuan and Zhao (2001).

Sister species lacking formal opinion data
O. claytonensis
Entered
by J. Marcot on 2019-10-02; modified by P. Wagner on 2021-04-12

Synonymy list
YearName and author
1997Oryctocephalites palmeri Sundberg and McCollum p. 1081 figs. Oryctocephalites palmeri
2001Oryctocephalites (Parachangaspis) palmeri Yuan and Zhao p. 148
2020Oryctocephalites palmeri Webster and Sundberg pp. 81 - 82 figs. 4–8, 11

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderCorynexochida
suborderCorynexochinaKobayashi 1935
familyOryctocephalidaeBeecher 1897
subfamilyOryctocephalinaeBeecher 1897
genusOryctocephalitesResser 1939
speciespalmeri

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Oryctocephalites palmeri Sundberg and McCollum 1997
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Diagnosis
ReferenceDiagnosis
F. A. Sundberg and L. B. McCollum 1997Cranidium with medially expanded glabella, cir­ cular glabellar pits at the SO to S3 positions, SI transglabellar furrow, longitudinal furrows connecting SI to S3 pits, lateral glabellar furrows not extending to axial furrows, and occipital ring without longitudinal furrows. Seven thoracic segments each with long, cylindrical spine. Pygidium with 5 pairs of cylindrical spines.