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Aulacosphinctoides
Taxonomy
Aulacosphinctoides is a genus. It is not extant. Its type is Aulacosphinctes infundibulus.
It was assigned to Virgatosphinctinae by Helmstaedt (1969), Verma and Westermann (1973), Myczynski (1989); and to Ammonoidea by Sepkoski (2002).
It was assigned to Virgatosphinctinae by Helmstaedt (1969), Verma and Westermann (1973), Myczynski (1989); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Aulacosphinctoides Helmstaedt p. 73 |
| 1973 | Aulacosphinctoides Verma and Westermann p. 178 |
| 1989 | Aulacosphinctoides Myczynski p. 96 |
| 2002 | Aulacosphinctoides 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.
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†Aulacosphinctoides diversecostatus Burckhardt 1919
†Aulacosphinctoides infundibulum Uhlig 1910
†Aulacosphinctoides lauri Aguilera 1895
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Invalid names: Perisphinctes aguilari Burckhardt 1906 [synonym], Perisphinctes felixi Aguliera 1895 [synonym]
†Aulacosphinctoides perrinsmithi Uhlig 1910
†Aulacosphinctoides potosinus Aguliera 1895
†Aulacosphinctoides radialecostatus Steiger 1914
†Aulacosphinctoides subtorquatus Uhlig 1910
†Aulacosphinctoides tibetanus Uhlig 1910
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 22.9 | 19.0 | 30.0 | 21.0 | 5.86 | |
| shell diameter | 3 | 74.1 | 58.0 | 96.0 | 73.0 | 19.1 | |
| shell inflation | 3 | 30.8 | 25.0 | 39.0 | 30.0 | 7.09 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Puaroan to the top of the Late/Upper Tithonian or 150.00000 to 143.10000 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Kimmeridgian - Late/Upper Kimmeridgian | Madagascar | A. latedorsatus (234322) | |
| Kimmeridgian | Madagascar | A. kachhensis, A. antsalovensis (98167) | |
| Kimmeridgian | Madagascar (Melaky) | A. kachhensis (234269) | |
| Late/Upper Kimmeridgian | Madagascar (Melaky) | A. antsalovensis (234324) | |
| Puaroan | New Zealand | A. brownei (63873) A. sp. (63756) | |
| Early/Lower Tithonian | Cuba | A. infundibulum (57718) | |
| Early/Lower Tithonian | Mexico | A. lauri (197759 197760 197974 197975 197976) | |
| Early/Lower Tithonian | India | A. linoptychus, A. sparsicosta (65881) A. uhligi (65880) A. uhligi, A. linoptychus, A. sp. (65889) | |
| Middle Tithonian | New Zealand | A. sisyphi (63755) | |
| Tithonian | China | A. infundibulus (64865) | |
| Tithonian | Antarctica (Alexander Island) | A. sp. (2074) | |
| Tithonian | Cuba | A. sp. (57191 57197 57199 57728) | |
| Late/Upper Tithonian | Nepal | A. subtorquatus, A. radialecostatus, A. tibetanus, A. perrinsmithi (142312) | |
| Late/Upper Tithonian - Berriasian | Argentina (Neuquén) | A. sp. (135627) |