Ascalabos Graf

Arratia, G., 2016, New remarkable Late Jurassic teleosts from southern Germany: Ascalaboidae n. fam., its content, morphology, and phylogenetic relationships, Fossil Record 19 (1), pp. 31-59 : 49

Ascalabos Graf zu Münster, 1839b

Diagnosis (emended from Nybelin, 1974, and Arratia, 1997). (The diagnosis is based on a unique combination of characters. Uniquely derived features among basal teleosts are identified with an asterisk [*].) Small teleosts of about 115 mm maximum length. Broad, simple cephalic sensory canals with pointed sensory tubules [*]. With low number of vertebrae, 34 to 39. Caudal centra, mainly midcaudals, with a prominent lateral crest [*]. Seven or eight uroneurals, first four longer than posterior series of three or four. First two uroneurals reaching preural vertebra 3. Ten or 11 hypurals. Few epaxial segmented procurrent rays posterior to last epaxial basal fulcrum [*]. One rudimentary epaxial ray. Caudal fringing fulcra absent.

Content. Only one species known, Ascalabos voithii .