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Ctenoplectus williamsi

Actinopteri - Tetraodontiformes

Taxonomy
Ctenoplectus williamsi was named by Close et al. (2016). Its type specimen is NHMUK PV P. 63336, a skeleton, and it is a 3D body fossil. Its type locality is Greenways landfill, which is in a Ypresian marine claystone in the London Clay Formation of the United Kingdom. It is the type species of Ctenoplectus.

Synonymy list
YearName and author
2016Ctenoplectus williamsi Close et al. p. 502 figs. Figures 1-3

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
superclassActinopterygii(Cope 1887)
classActinopteri()
subclassNeopterygii(Regan 1923)
Teleosteomorpha
Teleostei(Müller 1846)
Osteoglossocephalai
RankNameAuthor
ClupeocephalaPatterson and Rosen 1977
Euteleosteomorpha
NeoteleosteiRosen 1973
Eurypterygia(Rosen 1973)
Ctenosquamata
Acanthomorphata(Rosen 1973)
Euacanthomorphacea
Percomorphaceae
Percomorpharia
orderTetraodontiformesBerg 1940
suborderTetraodontoidei
genusCtenoplectus
specieswilliamsi

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.

Diagnosis
ReferenceDiagnosis
R. A. Close et al. 2016Tetraodontiform fish displaying the following unique combination of characters: series of greatly enlarged, broad, plate-like dorsal-fin spines and expanded, flattened supporting proximal radials inserting far anteriorly along the skull roof; proximal radials with posteroventral shaft overlapped by previous proximal radial; paired premaxillae and dentaries fully fused across their midlines, lacking sutures, anteriorly projecting bulge of teeth associated with fused premaxillae; tooth roots elongate with pointed tips; post-temporals present; well-developed, rodlike pelves; pleural ribs present; anterior abdominal vertebrae with prominent transverse processes.