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Shumardia alata

Trilobita - Ptychopariida - Shumardiidae

Taxonomy
Shumardia alata was named by Robison and Pantoja-Alor (1968). Its type specimen is USNM 158934, a pygidium, and it is not a trace fossil.

Sister species lacking formal opinion data
S. pentagonalis

Synonymy list
YearName and author
1968Shumardia alata Robison and Pantoja-Alor p. 797

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyShumardiidaeLake 1907
genusShumardiaBillings 1862
speciesalata

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.

†Shumardia alata Robison and Pantoja-Alor 1968
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Diagnosis
No diagnoses are available