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Assimulia (Assimulia) tergida
Taxonomy
Stereostylus tergidus was named by Ross and Ross (1962). Its type specimen is YPM 21815 and is a 3D body fossil. Its type locality is YPM 68, Hill 5305, Hess Ranch Horst, Glass Mountains, which is in an Artinskian marine shale/limestone in the Lenox Hills Formation of Texas.
It was recombined as Assimulia (Assimulia) tergida by Fedorowski (1987).
It was recombined as Assimulia (Assimulia) tergida by Fedorowski (1987).
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Stereostylus tergidus Ross and Ross p. 1186 figs. Pl 161, figs 12,21,22; text-fig 4O,P, 9 |
| 1987 | Assimulia (Assimulia) tergida Fedorowski p. 168 figs. 60, 61; pl 22, figs 19-26; pl 25, figs 1-13 |
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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.
†Assimulia (Assimulia) tergida Ross and Ross 1962
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | USA (Texas) | Assimulia tergida (43468) | |
| Artinskian | USA (Texas) | Assimulia tergida (43559 75885 75886 75935 75936) Stereostylus tergidus (type locality: 116733) | |
| Kungurian | USA (Texas) | Assimulia tergida (43534 75864 75919 75922 75923 75925 75926) |