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Signetopsidae
Taxonomy
Signetopsidae was named by Henningsmoen (1954). It is not extant. Its type is Signetopsis.
It was assigned to Primitiopsicopina by Abushik and Evdokimova (2016).
It was assigned to Primitiopsicopina by Abushik and Evdokimova (2016).
Subtaxa
Signetopsis (type genus)
Synonymy list
Year | Name and author |
---|---|
1954 | Signetopsidae Henningsmoen |
2016 | Signetopsidae Abushik and Evdokimova p. 684 |
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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
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Kiessling 2004, Alvarez et al. 2008 |
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Homerian - Gorstian | Russian Federation | Signetopsis sp. (23500) | |
Ludlow | Ukraine | Signetopsis semicircularis, Signetopsis quadrigibbera, Signetopsis malornata (23374) | |
Pridoli | Russian Federation | Signetopsis sp. (23640 24746) |