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Hastagnostus

Trilobita - Agnostida

Taxonomy
Hastagnostus was named by Howell (1937) [Sepkoski's age data: Cm uMid]. It is not extant.

It was assigned to Agnostida by Sepkoski (2002).

Synonymy list
YearName and author
1937Hastagnostus Howell
2002Hastagnostus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
genusHastagnostusHowell 1937

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