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Aspidorhynchus
Taxonomy
Aspidorhynchus was named by Agassiz (1833) [Sepkoski's age data: J Bath J Tith-u Sepkoski's reference number: 2,452]. It is the type genus of Aspidorhynchoidea.
It was assigned to Sauroidei by Wagner (1863); to Aetheospondyli by Woodward (1895); to Aspidorhynchidae by Woodward (1918), Rayner (1948), Gardiner (1960), Estes (1964); and to Pachycormiformes by Sepkoski (2002).
It was assigned to Sauroidei by Wagner (1863); to Aetheospondyli by Woodward (1895); to Aspidorhynchidae by Woodward (1918), Rayner (1948), Gardiner (1960), Estes (1964); and to Pachycormiformes by Sepkoski (2002).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2021-07-31
Synonymy list
| Year | Name and author |
|---|---|
| 1833 | Aspidorhynchus Agassiz p. 14 figs. Vol I, Pl F, fig 1 |
| 1863 | Aspidorhynchus Wagner |
| 1895 | Aspidorhynchus Woodward p. 416 |
| 1918 | Aspidorhynchus Woodward p. 94 |
| 1948 | Aspidorhynchus Rayner p. 314 figs. 19-23; pl. 21, 41-43 |
| 1960 | Aspidorhynchus Gardiner p. 362 |
| 1964 | Aspidorhynchus Estes p. 22 |
| 2002 | Aspidorhynchus 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. †Aspidorhynchus Agassiz 1833
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†Aspidorhynchus acutirostris Blainville 1818
†Aspidorhynchus comptoni Agassiz 1843
†Aspidorhynchus crassus Woodward 1890
†Aspidorhynchus euodus Egerton 1845
†Aspidorhynchus fisheri Egerton 1854
†Aspidorhynchus lepturus Agassiz 1834
†Aspidorhynchus mandibularis Agassiz 1834
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Invalid names: Aspidorhynchus longissimus Münster 1842 [synonym]
†Aspidorhynchus montissancti Gorjanović-Kramberger 1895
†Aspidorhynchus obtusirostris Wagner 1863
†Aspidorhynchus ornatissimus Agassiz 1834
†Aspidorhynchus sanzenbacheri Brito and Ebert 2009
†Aspidorhynchus speciosus Agassiz 1834
†Aspidorhynchus walchneri Agassiz 1833
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. S. Woodward 1918 | Rostrum slender , much produced in advance of mandibular symphysis ; circumorbital plates very small , postorbitals large ; teeth irregular in size , largest on the premaxilla , palatine , and presymphysial bone , reduced to a fine granulation on the inner face of the ectopterygoid ; branchiostegal rays short and broad , and gular plate apparently absent . Vertebral centra in form of rings . Fulcra wanting on paired fins , minute on median fins . Pelvic fins situated at about the middle of the trunk ; dorsal and anal fins short - based , triangular , remote and opposed ; caudal fin symmetrically forked . Scales robust , smooth or rugose ; in two or three deepened series on the flank of the abdominal region , and the foremost scales of the series traversed by the lateral line not deeper than the series below |
Measurements
No measurements are available
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| Source: f = family | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Bathonian to the top of the Cenomanian or 168.20000 to 93.90000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bathonian | United Kingdom | A. crassus (131844) | |
| Bathonian | United Kingdom (England) | A. sp. (130764) | |
| Early/Lower Bathonian | France (Midi-Pyrénées) | A. sp. (61377) | |
| Callovian | United Kingdom (England) | A. euodus (130656) | |
| Kimmeridgian | France | A. sp. (131960) | |
| Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | A. acutirostris (154138) | |
| Late/Upper Kimmeridgian | Germany (Eastern Bavaria) | A. sp. (187436) | |
| Late/Upper Kimmeridgian - Early/Lower Tithonian | Germany (Bayern) | A. mandibularis, A. ornatissimus, A. obtusirostris (228758) | |
| Early/Lower Tithonian | Germany (Land Bayern) | A. ornatissimus (137801) | |
| Early/Lower Tithonian | Germany (Bayern) | A. sanzenbacheri (118174) | |
| Berriasian | United Kingdom (England) | A. fisheri (52301) | |
| Early/Lower Barremian | Spain (Cataluña) | A. sp. (85293) | |
| Cenomanian | Germany | A. mandibularis, A. ornatissimus (138006) | |
| Cenomanian | Slovenia | A. montissancti (144686) |