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Archaeopetasus

Taxonomy
Archaeopetasus is a genus. It is not extant.

It was assigned to Problematica by Sepkoski (2002) and Parkhaev and Demidenko (2010).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
2002Archaeopetasus Sepkoski, Jr.
2010Archaeopetasus Parkhaev and Demidenko p. 923

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RankNameAuthor
kingdomAnimalia()
phylumProblematica
RankNameAuthor
genusArchaeopetasus

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
ReferenceDiagnosis
P. Y. Parkhaev and Y. Demidenko 2010"Subconical hollow sclerites with wide basement and central straight or inclined apical part. Basement circular or oval in outlines, exterior surface with wavy longitudinal folds. External ornamentation composed of irregularly spaced granules, more prominent in basal part of sclerite. Internal surface smooth."