YABRUDICHTHYS AND SERRILEPIS, TWO NEW GENERA OF ENCHODONTOIDS (TELEOSTEI) FROM LOWER CENOMANIAN BEDS OF 'Ein-YABRŪD, ISRAEL
In: Israel Journal of Ecology and EvolutionSearch for other papers by YAEL CHALIFA in
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Two new genera and species, Yabrudichthys striatus and Serrilepis longidens, are described from well-laminated limestone at 'Ein-Yabrūd, Israel. The fish-bearing beds are part of the 'Amminadav Formation, and are dated to the Lower Cenomanian. Y. striatus is distinguished mainly by a short body with an elongated snout, double articulation in the quadrate-lower jaw joint, an anterior expansion on the center of the cleithrum, long-based dorsal fin and a naked body. S. longidens is distinguished mainly by a broad and shallow head, a small orbit, the presence of nasal, antorbital, supraorbital and a single supramaxilla, a remarkably developed dentition and a complete body cover of high and thin scales with a saw-like posterior margin. It is suggested to classify the new genera within the suborder Enchodontoidei, not to determine the family assignment of Yabrudichthys, and to erect for Serrilepis a new monotypic family, Serrilepidae. A discussion of the mode of life of the species suggests that Yabrudichthys was a mid-water predator, feeding on small schooling fishes, whereas Serrilepis was a benthic predator, which burrowed in the sediment, lying in wait for prey, or looking for underground prey.
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YABRUDICHTHYS AND SERRILEPIS, TWO NEW GENERA OF ENCHODONTOIDS (TELEOSTEI) FROM LOWER CENOMANIAN BEDS OF 'Ein-YABRŪD, ISRAEL
In: Israel Journal of Ecology and EvolutionSearch for other papers by YAEL CHALIFA in
Current site
Google Scholar
PubMed
Two new genera and species, Yabrudichthys striatus and Serrilepis longidens, are described from well-laminated limestone at 'Ein-Yabrūd, Israel. The fish-bearing beds are part of the 'Amminadav Formation, and are dated to the Lower Cenomanian. Y. striatus is distinguished mainly by a short body with an elongated snout, double articulation in the quadrate-lower jaw joint, an anterior expansion on the center of the cleithrum, long-based dorsal fin and a naked body. S. longidens is distinguished mainly by a broad and shallow head, a small orbit, the presence of nasal, antorbital, supraorbital and a single supramaxilla, a remarkably developed dentition and a complete body cover of high and thin scales with a saw-like posterior margin. It is suggested to classify the new genera within the suborder Enchodontoidei, not to determine the family assignment of Yabrudichthys, and to erect for Serrilepis a new monotypic family, Serrilepidae. A discussion of the mode of life of the species suggests that Yabrudichthys was a mid-water predator, feeding on small schooling fishes, whereas Serrilepis was a benthic predator, which burrowed in the sediment, lying in wait for prey, or looking for underground prey.
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 234 | 49 | 4 |
| Full Text Views | 18 | 2 | 0 |
| PDF Views & Downloads | 25 | 6 | 0 |
