Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Psephosyllogus

Hexactinellida - Hexactinosa

Taxonomy
Psephosyllogus is a genus. It is not extant.

It was assigned to Hexactinosa by Sepkoski (2002).

Synonymy list
YearName and author
2002Psephosyllogus Sepkoski, Jr.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Life
phylumPoriferaGrant 1836
classHexactinellidaSchmidt 1870
RankNameAuthor
subclassHexasterophoraSchulze 1886
orderHexactinosaSchrammen 1903
genusPsephosyllogus

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