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Trichasteropsis
Taxonomy
Trichaster was named by Eck (1879). It is not extant. Its type is Asterias weissmanni.
It was corrected as Trichasteropsis by Spencer and Wright (1966), Sepkoski (2002), Blake and Hagdorn (2003).
It was assigned to Palasterinidae by Spencer and Wright (1966); to Trichasteropsida by Sepkoski (2002); and to Trichasteropsiidae by Blake and Hagdorn (2003).
It was corrected as Trichasteropsis by Spencer and Wright (1966), Sepkoski (2002), Blake and Hagdorn (2003).
It was assigned to Palasterinidae by Spencer and Wright (1966); to Trichasteropsida by Sepkoski (2002); and to Trichasteropsiidae by Blake and Hagdorn (2003).
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Trichasteropsis Spencer and Wright p. U45 |
| 2002 | Trichasteropsis Sepkoski |
| 2003 | Trichasteropsis Blake and Hagdorn p. 35 |
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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.
G. †Trichasteropsis Eck 1879
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†Trichasteropsis bielertorum Blake and Hagdorn 2003
†Trichasteropsis senfti Eck 1879
†Trichasteropsis weissmanni von Münster 1843
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Invalid names: Asterias cilicia Quenstedt 1852 [synonym], Asterias obtusa Goldfuss 1833 [synonym], Trichasteropsis hippeleini Rothe 1959 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Germany | T. senfti (31996 59960) T. weissmanni (59964) | |
| Pelsonian | Germany (Niedersachsen) | T. bielertorum (66896) | |
| Pelsonian | Germany (Nordrhein-Westfalen) | T. bielertorum (59967) | |
| Fassanian | Germany | T. weissmanni (187348) | |
| Fassanian | Italy | T. sp. (236942) | |
| Ladinian | Germany (Thuringia) | T. senfti (59962) T. weissmanni (59963) | |
| Ladinian | Germany | T. senfti (59958 59959) T. weissmanni (59926 59928) T. weissmanni, T. senfti (59927 59961) | |
| Ladinian | Germany (Bayern) | T. weissmanni (59965 59966) |