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Morphology Ecology and taphonomy   Age range and collections

Croixana

Trilobita - Asaphida - Parabolinoididae

Taxonomy
Croixana was named by Nelson (1951) [Sepkoski's age data: Cm Fran-l Cm Fran-u Sepkoski's reference number: 488]. It is not extant.

It was assigned to Ptychopariida by Sepkoski (2002); and to Parabolinoididae by Jell and Adrain (2003).

Synonymy list
YearName and author
1951Croixana Nelson
2002Croixana Sepkoski, Jr.
2003Croixana Jell and Adrain p. 361

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
familyParabolinoididaeLochman 1956
genusCroixanaNelson 1951

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