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Dipterus microsoma
Discussion
(Amended diagnosis from Long 1987.)
Taxonomy
Dipterus microsoma was named by Hills (1931) [A ctenodontid having a parasphenoid one third as broad as long, and being of almost uniform breadth for the anterior two thirds of its length, and with anterolateral margins forming an angle of approximately 60 degrees. Upper jaw toothplates more ovoid than triangular, with up to 10 subparallel, relatively straight tooth ridges of separated cusps which coalesce towards the centre of radiation of the tooth plate, and separated by relatively deep clefts. Cleithrum with a very narrow waist between the ventral and dorsal division of the external lamina, and having a very large branchial lamina. Scales, thin, subrectangular and cycloid with an ornament of fine wavy ridges which are not closely packed but sparsely distributed.]. It is not extant. Its type specimen is MUGD 775, a partial skull (left upper toothplate and entopterygoid).
It was recombined as Eoctenodus microsoma by Long (1987).
It was recombined as Eoctenodus microsoma by Long (1987).
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Dipterus microsoma Hills |
| 1987 | Eoctenodus microsoma Long |
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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.
†Dipterus microsoma Hills 1931
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Collections
No collection or age range data are available