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Tyrsoecus (Stephanocosmia)
Taxonomy
Stephanocosmia was named as a genus. It is not extant.
It was reranked as Tyrsoecus (Stephanocosmia) by Zapfe (1962).
It was assigned to Tyrsoecus by Zapfe (1962); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Tyrsoecus (Stephanocosmia) by Zapfe (1962).
It was assigned to Tyrsoecus by Zapfe (1962); and to Neotaenioglossa by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1892 | Coronaria Koken |
| 1962 | Tyrsoecus (Stephanocosmia) Zapfe p. 64 |
| 2002 | Stephanocosmia Sepkoski |
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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.
Subg. †Tyrsoecus (Stephanocosmia)
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†Stephanocosmia dolomitica Kittl 1900
†Stephanocosmia transmutans Kittl 1899
Invalid names: Coronaria Koken 1892 [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 13.3 |
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| Source: f = family, o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ladinian | Italy | Stephanocosmia coronata (202000 202001 202028 202029 202030 202032 202037 202038 202040 202043) | |
| Julian | Italy | Coronaria compressa (144631) Coronaria striatopunctata (144927) Turritella compressa (137429) | |
| Carnian | Hungary (Bakony) | Stephanocosmia sp. (203276) | |
| Carnian | New Zealand | Coronaria spectabilis (201939 201943) | |
| Carnian | Hungary | Stephanocosmia dolomitica (70883) | |
| Norian | Hungary | Stephanocosmia dolomitica (73263 73270) | |
| Norian - Rhaetian | Hungary (Bakony) | Stephanocosmia dolomitica (203274) | |
| Sevatian | USA (Idaho) | Stephanocosmia sp. (38377) |