Fouldenia, WHITE, 1927

Sallan, Lauren Cole & Coates, Michael I., 2013, Styracopterid (Actinopterygii) ontogeny and the multiple origins of post-Hangenberg deep-bodied fishes, Zoological Journal of the Linnean Society 169 (1), pp. 156-199 : 172

publication ID

https://doi.org/ 10.1111/zoj.12054

persistent identifier

https://treatment.plazi.org/id/824287C5-8038-FF8A-8B68-F9BCB496FD53

treatment provided by

Marcus

scientific name

Fouldenia
status

 

FOULDENIA WHITE, 1927

Type and only species: Fouldenia ischiptera ( Traquair, 1881) .

Diagnosis (emended from Moy-Thomas, 1937): Styracopterid eurynotiform fish with three longitudinal ganoine bands sitting parallel with and alongside jaw margins on maxilla and dentary; maxillary teeth small, blunt, and rounded; mandibular tooth plate denticles with constricted base and blunt crown; dentary deep with blunt anterior margin; maxilla with blunt anterior ramus and rounded triangular posterior expansion; rostral bearing horizontal bands of ganoine; frontal with straight lateral margin; parietal with straight lateral margin; suspensorium 45° off vertical; preopercular with concave anterior and convex dorsoposterior margins; opercular half-ovoid and equal in length to subopercular; long axis of branchiostegals long and held away from ventral margin of dentary; paired fin lepidotrichia cylindrical and thin; flank scales ornamented with nested lines of ganoine in adult; distinct anteroventral squamation with juvenile scales in adult; pelvic fin preceeded by two enlarged basal fulcra; anal fin with strongly concave posterior margin.

Occurrence: Late Tournaisian of Scotland and England.

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