PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Proterovaginoceras incognitum

Cephalopoda - Bisonocerida - Proterovaginoceratidae

Taxonomy

Endoceras incognitum was named by Schröder (1882).

It was recombined as Dideroceras incognitum by Saladzius (1966) and Balashov (1968); it was recombined as Proterovaginoceras incognitum by Schröder (1882) and Kröger (2012).

Synonyms

Orthoceras duplex was named by Wahlenberg (1821). It is not extant.

It was recombined as Endoceras duplex by Schröder (1882); it was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Vaginoceras endoseptum was named by Chang (1957). It is not extant.

It was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Dideroceras amplum was named by Balashov (1968). It is not extant.

It was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Dideroceras brevispiculum was named by Balashov (1968). It is not extant.

It was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Dideroceras longispicum was named by Balashov (1968). It is not extant.

It was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Dideroceras pribalticum was named by Balashov (1968). It is not extant.

It was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Schmidtoceras estonicum was named by Balashov (1968). It is not extant.

It was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).
Schmidtoceras kundense was named by Balashov (1968).

It was recombined as Dideroceras kundense by Dzik (1984); it was synonymized subjectively with Proterovaginoceras incognitum by Kröger (2012).

Synonymy list

Year	Name and author
1821	Orthoceras duplex Wahlenberg
1845	Orthoceras duplex de Verneuil
1882	Endoceras duplex Schröder
1882	Proterovaginoceras incognitum Schröder
1957	Vaginoceras endoseptum Chang
1966	Dideroceras incognitum Saladzius
1968	Dideroceras amplum Balashov
1968	Dideroceras brevispiculum Balashov
1968	Dideroceras incognitum Balashov
1968	Dideroceras longispicum Balashov
1968	Dideroceras pribalticum Balashov
1968	Schmidtoceras estonicum Balashov
1968	Schmidtoceras kundense Balashov pp. 135 - 136 figs. pl XXXII f. 1-4
1984	Dideroceras kundense Dzik
2012	Proterovaginoceras incognitum Kröger

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Cephalopoda	Cuvier 1797
subclass	Endoceratoidea	Teichert 1933
order	Bisonocerida
family	Proterovaginoceratidae
genus	Proterovaginoceras	Ruedemann 1905
species	incognitum	(Schröder 1882)

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.

†Proterovaginoceras incognitum Schröder 1882

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Invalid names: Dideroceras amplum Balashov 1968 [synonym], Dideroceras brevispiculum Balashov 1968 [synonym], Dideroceras longispicum Balashov 1968 [synonym], Dideroceras pribalticum Balashov 1968 [synonym], Orthoceras duplex Wahlenberg 1821 [synonym], Schmidtoceras estonicum Balashov 1968 [synonym], Schmidtoceras kundense Balashov 1968 [synonym], Vaginoceras endoseptum Chang 1957 [synonym]

Diagnosis

No diagnoses are available