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Heminautilus stantoni
Taxonomy
Vorticoceras stantoni was named by Scott (1940). Its type specimen is USNM 103260, a shell, and it is a 3D body fossil. Its type locality is M15, near Murfreesboro, which is in an Aptian carbonate limestone in the Dierks Formation of Arkansas.
It was recombined as Heminautilus stantoni by Baudouin et al. (2016).
It was recombined as Heminautilus stantoni by Baudouin et al. (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Vorticoceras stantoni Scott p. 1076 figs. Pl 68, figs 4,5 |
| 2016 | Heminautilus stantoni Baudouin et al. p. 89 figs. Pl 36, figs 2,3 |
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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.
†Heminautilus stantoni Scott 1940
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 69.0 | |||||
| shell diameter | 1 | 114.0 | |||||
| shell inflation | 1 | 6.50 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Aptian or 121.40000 to 119.57000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aptian | USA (Arkansas) | Vorticoceras stantoni (181258) |