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Oryctocephalus indicus

Artiopoda - Corynexochida - Oryctocephalidae

Taxonomy
Zacanthoides indicus was named by Reed (1910). It is not extant.

It was recombined as Oryctocephalus indicus by Resser (1938), Kobayashi (1967), Sundberg and McCollum (1997), Sundberg and McCollum (2003).

Sister species lacking formal opinion data
O. matthewi, O. tongrenensis

Synonyms
Synonymy list
YearName and author
1910Zacanthoides indicus Reed
1934Oryctocephalus kobayashii Saito pp. 231 - 232 figs. pi.25, figs. 23- 25.
1938Oryctocephalus indicus Resser
1967Oryctocephalus indicus Kobayashi p. 486 figs. figs. 11a, b
1969Zacanthoides indicus Sastry and Mamgain figs. PI. 3, fig. 4
1997Oryctocephalus indicus Sundberg and McCollum p. 1073 figs. Figure 9.1-9.8, ?9.9, 9.10
2003Oryctocephalus indicus Sundberg and McCollum pp. 960 - 962 figs. Plate 8, ®gures 9, 12 - 13

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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
genusOryctocephalusWalcott 1886
speciesindicus(Reed 1910)

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.

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Invalid names: Oryctocephalus kobayashii Saito 1934 [objective synonym]
Diagnosis
ReferenceDiagnosis
F. A. Sundberg and L. B. McCollum 1997Cranidium with a conical glabella, SI to S 3 transglabellar furrows, e y e ridges directed slightly poster- olaterally, wide fixigena (92 ± 1 1 percent glabellar width), near­ ly straight anterior margin, and anterior border without curvature towards frontal lobe, and no intergenal angle. Twelve thoracic segments each with cylindrical pleural spines. Pygidium with 3 axial rings; anterior pleural bands long (exsag.), posterolaterally to posteriorly directed with cylindrical spines; and V I to V 3 spines decreasing in size and projecting posteriorly.