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Streptacis subgracilis
Taxonomy
Loxonema subgracilis was named by Netschajew (1894). It is a 3D body fossil.
It was corrected as Loxonema subgracile by Gortani (1905); it was recombined as Streptacis subgracilis by Mazaev (2015) and Mazaev (2018).
It was corrected as Loxonema subgracile by Gortani (1905); it was recombined as Streptacis subgracilis by Mazaev (2015) and Mazaev (2018).
Synonymy list
Year | Name and author |
---|---|
1894 | Loxonema subgracilis Netschajew p. 362 figs. pl. 12 f. 44 |
1905 | Loxonema subgracile Gortani p. 582 figs. pl. 15 f. 33a; txt. f. 9-10 |
2015 | Streptacis subgracilis Mazaev p. 981 figs. Pl 40, figs 6-10 |
2018 | Streptacis subgracilis Mazaev p. 825 figs. Pl 20, figs 10-13 |
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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.
†Streptacis subgracilis Netschajew 1894
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 7 | 10.6 | 6.20 | 15.9 | 11.9 | 3.73 |
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Source: c = class | |||||
Reference: Kiessling 2004 |
Age range: Roadian or 272.30000 to 268.80000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Permian | USA (Alaska) | Loxonema subgracilis (112199) | |
Roadian | Russian Federation (Tatarstan) | Streptacis subgracilis (174705 174706) | |
Roadian | Russian Federation (Kirov) | Streptacis subgracilis (126335) | |
Roadian | Russian Federation (Samara) | Streptacis subgracilis (170192) |