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Suevoleviathan
Taxonomy
Suevoleviathan was named by Maisch (1998). It is not extant.
It was assigned to Suevoleviathanidae by McGowan and Motani (2003) and Maisch (2010); to Neoichthyosauria by Sander (2000), Maisch and Matzke (2000) and Fischer et al. (2013); to Leptonectidae by Ji et al. (2016); and to Parvipelvia by Motani (1999) and Maxwell (2018).
It was assigned to Suevoleviathanidae by McGowan and Motani (2003) and Maisch (2010); to Neoichthyosauria by Sander (2000), Maisch and Matzke (2000) and Fischer et al. (2013); to Leptonectidae by Ji et al. (2016); and to Parvipelvia by Motani (1999) and Maxwell (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Suevoleviathan Maisch |
| 1999 | Suevoleviathan Motani p. 482 |
| 2000 | Suevoleviathan Maisch and Matzke pp. 73, 98 |
| 2000 | Suevoleviathan Sander |
| 2003 | Suevoleviathan McGowan and Motani |
| 2010 | Suevoleviathan Maisch |
| 2013 | Suevoleviathan Fischer et al. |
| 2016 | Suevoleviathan Ji et al. p. 12 |
| 2018 | Suevoleviathan Maxwell |
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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. †Suevoleviathan Maisch 1998
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†Suevoleviathan disinteger von Huene 1926
†Suevoleviathan integer Bronn 1844
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. Motani 1999 | Forefin digits distally well-spaced; manual accessory digit S4-5; iliac shaft straight but with small projection. | |
| M. W. Maisch and A. T. Matzke 2000 | "Large ichthyosaurs, adult size more than 4 m, skull low, orbit
medium-sized, premaxilla and dentary with well developed grooves extending in alternating fashion from fossa praemaxillaris and fossa dentalis, maxilla short anteriorly, jugal robust and short, squamosal large, forming most of posterior margin of cheek and reaching down to ventral margin of skull, processus quadratus of quadratojugal thus apparently separated from the main body of the bone, pre- and postfrontal subequal in size, teeth robust and crenulated in typical fashion, only 42–44 presacral vertebrae, postflexural segment of tail very long and flexible, neural arches of posterior thoracal region very low with expanded processus spinosi, rib articulation of thorax unicipital posteriorly, interclavicle unossified, forefin with three primary digits, third digit subdivided into three secondary rays, no notches in leading edge of forefin, digits of forefin fanning out distally, most autopodial elements rounded and widely spaced, pelvis tripartite, pubis slender and curved, ischium broad and subrectangular, hindfin tridactyl, most elements of first digit notched." | |
| C. Ji et al. 2016 | Size of over 4 m in adult; forefin digits splayed dis- tally; single row of digits between digits IV and V present; iliac blade plate-like, with anterior process; pubis slender and curved; ischium subrectangular; posterodorsal rib facet single-headed. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Toarcian to the top of the Bifrons or 183.00000 to 175.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Toarcian | France | S. sp. (166558) | |
| Early/Lower Toarcian | Germany (Baden-Württenburg) | S. disinteger, S. integer (91698) S. sp. (132864) | |
| Falciferum | Germany (Würtemberg) | S. integer (186710) | |
| Bifrons | Germany (Baden-Württenburg) | S. integer (122463) |