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Quadratoproetus

Trilobita - Proetida - Tropidocoryphidae

Taxonomy
Quadratoproetus was named by Alberti (1967) [Sepkoski's age data: D Emsi-u Sepkoski's reference number: 1106]. It is not extant.

It was assigned to Proetida by Sepkoski (2002); and to Tropidocoryphidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1967Quadratoproetus Alberti
2002Quadratoproetus Sepkoski, Jr.
2003Quadratoproetus Jell and Adrain p. 437

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyTropidocoryphidaePribyl 1946
genusQuadratoproetusAlberti 1967

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