Project 3454: G. Marramà, O. Schultz, J. Kriwet. 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.
Abstract
A new fossil skate, Ostarriraja parva gen. et sp. nov., represented by a single partial articulated skeleton collected from the early Miocene fish-bearing strata of Upper Austria, is described here in detail. This taxon exhibits a unique combination of skeletal and dental features (e.g. nasal capsules broad and oval; presence of pectoral arch; compound radial articulated with single radial segments in serial fashion; separated pelvic girdle condyles; reduced catenated calcification of radials; about 86 pectoral radials; 20–21 pelvic-fin radials; 65–70 predorsal vertebrae) that clearly support its assignment to a new genus of the order Rajiformes, and the phylogenetic analyses reveal its basal position within the group. The comparison between Ostarriraja and the holomorphic batoids from Late Cretaceous of Lebanon traditionally aligned with skates concurs to suggest that this Neogene occurrence represents unquestionably the first known skeletal record for the group. The morphological and phylogenetic affinities of Ostarriraja with the living skates suggest a close association of this taxon with the temperate-cold water environments hypothesized for the Central Paratethys during the early Miocene.Read the article »
Article DOI: 10.1080/14772019.2018.1486336
Project DOI: 10.7934/P3454, http://dx.doi.org/10.7934/P3454
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MorphoBank Project 3454
MorphoBank Project 3454
- Creation Date:
05 April 2019 - Publication Date:
29 April 2019 - Project views: 8343
Authors' Institutions
- University of Vienna
- Natural History Museum, Vienna (Naturhistorisches Museum, Wien)
Members
member name | taxa | specimens | media |
MorphoBank Curator Project Administrator | 1 | 1 | 1 |
Juergen Kriwet Full membership | 0 | 0 | 0 |
Giuseppe Marramà Full membership | 0 | 0 | 0 |
Ortwin Schultz Full membership | 0 | 0 | 0 |
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