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Acuticostites
Taxonomy
Acuticostites was named by Semenov (1898) [Sepkoski's age data: J Tith-u]. It is not extant.
It was assigned to Dorsoplanitinae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was assigned to Dorsoplanitinae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Synonymy list
Year | Name and author |
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1898 | Acuticostites Semenov |
1957 | Acuticostites Arkell et al. p. L333 |
2002 | Acuticostites 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.
G. †Acuticostites Semenov 1898
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Tithonian | Russian Federation | A. acuticostatus, A. bitrifurcatus (58859 59185) | |
Early/Lower Tithonian | Russian Federation | A. acuticostatus (190573) |