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Shumardia sagittula

Trilobita - Ptychopariida - Shumardiidae

Taxonomy
Shumardia sagittula was named by Whittington (1965). Its type specimen is GSC 18448, a cephalon/head (cranidium), and it is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1965Shumardia sagittula Whittington p. 330 figs. Pl. 17, figs. 1, 2, 5, 6

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

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 sagittula Whittington 1965
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Diagnosis
No diagnoses are available