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Akoldinioidia sulcatus

Trilobita - Ptychopariida - Shumardiidae

Taxonomy
Koldinioidia sulcatus was named by Robison and Pantoja-Alor (1968). Its type specimen is USNM 159049, a cephalon/head (cranidium), and it is not a trace fossil. Its type locality is USNM 16002b, Tinu Formation, Oaxaca, Mexico - Robison and Pantoja-Alor 1968, which is in the Tremadoc of limestone/shale the Tinu Formation Mexico.

It was recombined as Akoldinioidia sulcatus by Zhu and Peng (2006).

Synonymy list
YearName and author
1968Koldinioidia sulcatus Robison and Pantoja-Alor p. 796
2006Akoldinioidia sulcatus Zhu and Peng p. 185

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyShumardiidaeLake 1907
genusAkoldinioidiaZhou and Zhang 1984
speciessulcatus()

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.

Diagnosis
No diagnoses are available