Ostarriraja parva

Marrama, Schultz & Kriwet, 2019


Classification: Elasmobranchii Rajiformes incert. fam.

Reference of the original description
Marramà, G. & Schultz, O. & Kriwet, J. (2019)
A new Miocene skate from the Central Paratethys (Upper Austria): the first unambiguous skeletal record for the Rajiformes (Chondrichthyes: Batomorphii). Journal of Systematic Palaeontology, 17(11), 937–960

Types
Ostarriraja parva
Holotype: NHMW: 2005z0283/0097;


Description:


Citation: Ostarriraja parva Marrama, Schultz & Kriwet, 2019: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2021

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Description
Original diagnose after Marramà et al. (2017) p. 940 [27337]: A skate characterized by the following combination of morphological and dental characters: nasal capsules broad and oval, possibly without basal fenestrae; distance between pro- and mesocondyles less than distance between meso- and metacondyles; about 86 pectoral radials of which 33 are propterygial, 10 mesopterygial, 32 metapterygial and 11 directly articulated to scapulocoracoid between mesoand metacondyles; about 20–21 pelvic-fin radials; lateral prepelvic processes of pelvic girdle moderately long; pelvic fin lobes continuous, without a gap in the arrangement of radials between the compound radial and basipterygial radials; 65–70 predorsal vertebrae; tooth crown massive, semi-oval in occlusal view, with an arched labial edge and a lingual one with a small medial protuberation; well-marked transverse cutting crest; mesial and distal cutting edges concavely arched and reaching the margins of the crown; labial cutting edge absent; apron, uvula and crown ornamentation absent; holaulacorhizid teeth with unequally developed massive root lobes; root as wide as the crown; root stem relatively high; pair of margino-lingual foramina on root; root coating well marked; cross-type tail thorns, displaced in three antero-posteriorly directed parallel rows.

Remarks
type species of Ostarriraja Marramà et al., 2017 p. 940 [27337] by original designation (Art. 68.2 ICZN);

valid after Marramà et al. (2017) p. 940 [27337];


References
Feichtinger, I. & Pollerspöck, J. (2021)
Haie im Alpenvorland - Fossile Zeugen eines verschwundenen Paradieses. Verlag Anton Pustet, Salzburg, ISBN-10: ‎3702510230
Marramà, G. & Schultz, O. & Kriwet, J. (2019)
A new Miocene skate from the Central Paratethys (Upper Austria): the first unambiguous skeletal record for the Rajiformes (Chondrichthyes: Batomorphii). Journal of Systematic Palaeontology, 17(11), 937–960
DOI: 10.1080/14772019.2018.1486336