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Ichthyotitan severnensis
Taxonomy
Ichthyotitan severnensis was named by Lomax et al. (2024). Its type specimen is BRSMG Cg3178, a mandible (a large right surangular comprising the posterior end and parts of the middle and anterior sections), and it is a 3D body fossil. Its type locality is Blue Anchor Bay, Rhaetian bone bed, which is in a Rhaetian coastal siliciclastic in the Westbury Formation of the United Kingdom. It is the type species of Ichthyotitan.
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Ichthyotitan severnensis Lomax et al. p. 8 |
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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.
†Ichthyotitan severnensis Lomax et al. 2024
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. R. Lomax et al. 2024 | Giant, probable shastasaurid ichthyosaur distinguished by the presence of the following unique characters of the surangular: upturned, almost 90 degree angle bend at poste- rior end; subcircular cross section morphology of the shaft at the position of the coronoid, oblong in Shonisaurus; minor eminence of coronoid process in lateral view, compared with prominent projection in Shonisaurus; bulbous coronoid process displaced laterally and only occupying half of the width of the dorsal surface; massively developed dorsoventral M.A.M.E. ridge; spatulate shaped posterior end; and possibly dorsoventral height of posterior end in adults being more than 20% larger than in either Shonisaurus popularis or Shonisaurus sikanniensis. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||