The Paleobiology Database

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

Psiloceras

Taxonomy

Psiloceras is a genus. It is not extant.

It was assigned to Ammonoidea by Sepkoski (2002); to Psiloceratidae by Yin et al. (2007); and to Psiloceratinae by Howarth (2013).

Species

Species lacking formal opinion data

Sister genera

Synonyms

Transipsiloceras was named by Guex (1980).

It was synonymized subjectively with Psiloceras by Howarth (2013).

It was assigned to Psiloceratidae by Longridge et al. (2007).
Psilonoticeras was named by Quenstedt (1883).

It was synonymized objectively with Psiloceras by Howarth (2013).
Primapsiloceras was named by Repin (1981).

It was synonymized subjectively with Psiloceras by Howarth (2013).

Synonymy list

Year	Name and author
1883	Psilonoticeras Quenstedt p. 10
1980	Transipsiloceras Guex p. 138
1981	Primapsiloceras Repin p. 1396
2002	Psiloceras Sepkoski, Jr.
2007	Transipsiloceras Longridge et al.
2007	Psiloceras Yin et al. p. 726
2013	Psiloceras Howarth p. 3

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