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Astandes
Taxonomy
Astandes is a genus. It is not extant.
It was assigned to Neotaenioglossa by Sepkoski (2002); to Trichotropidae by Squires and Saul (2003); and to Maturifusidae by Kaim (2004).
It was assigned to Neotaenioglossa by Sepkoski (2002); to Trichotropidae by Squires and Saul (2003); and to Maturifusidae by Kaim (2004).
Synonymy list
Year | Name and author |
---|---|
2002 | Astandes Sepkoski |
2003 | Astandes Squires and Saul p. 149 |
2004 | Astandes Kaim p. 104 |
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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. †Astandes
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†Astandes kostromensis Gerasimov 1955
†Astandes salsa Squires and Saul 2003
†Astandes ticurelatus GrĂ¼ndel 2001
Diagnosis
Reference | Diagnosis | |
---|---|---|
R. L. Squires and L. R. Saul 2003 | Shell small, high turbiniform. Whorls convex with spiral cords and collabral ribs, latter becoming obsolete on siphonal neck. Anomphalous. Aperture Dshaped. Siphonal canal small but distinct. Outer lip thickened. Parietal wall callused. Growth lines prosocline. |
Measurements
No measurements are available
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Source: o = order, c = class | |||||
Reference: Kiessling 2004 |
Age range: base of the Late/Upper Bathonian to the top of the Early/Lower Maastrichtian or 167.70000 to 66.00000 Ma
Collections (20 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Bathonian | Poland | A. sp. (141288) | |
Middle Bathonian | Poland | A. sp. (141273 141274 141276 141277 141300) A. ticurelatus (63058 63078 141297) | |
Late/Upper Callovian | Poland | A. conspicuus, A. kostromensis (63064) | |
Middle Oxfordian | Germany | Maturifusus montagi (58320) | |
Turonian | USA (California) | A. salsa (215310 220338 220340) | |
Late/Upper Campanian | USA (Tennessee) | A. densatus (88357) | |
Middle Campanian | USA (Texas) | A. sp. (7466 7467) | |
Late/Upper Campanian - Early/Lower Maastrichtian | USA (Tennessee) | A. densatus (7515) | |
Early/Lower Maastrichtian | USA (Wyoming) | A. densatus (1586 1588) |