Osteology and relationships of Rhinopycnodus gabriellae gen. et sp. nov. (Pycnodontiformes) from the marine Late Cretaceous of Lebanon

  • Louis Taverne Royal Belgian Institute of Natural Sciences, Department of Paleontology, Vautierstreet 29, B-1000 Brussels, Belgium
  • Luigi Capasso Museo Universitario dell’Universitá “G. d’Annunzio” di Chieti-Pescara, Piazza Trento e Trieste 1, I-661000 Chieti, Italy
Keywords: Pycnodontidae, Rhinopycnodus gabriellae gen. et sp. nov., osteology, relationships, Cretaceous

Abstract

The osteology of Rhinopycnodus gabriellae gen. and sp. nov., a pycnodontiform fish from the marine Cenomanian (Late Cretaceous) of Lebanon, is studied in detail. This new fossil genus belongs to the family Pycnodontidae, as shown by the presence of a posterior brush-like process on its parietal. Its long and broad premaxilla, bearing one short and very broad tooth is the principal autapomorphy of this fish. Within the phylogeny of Pycnodontidae, Rhinopycnodus occupies an intermediate position between Ocloedus and Tepexichthys.

References

Capasso L. 2000. Tergestinia sorbinii gen. nov., sp. nov. del Paleocene inferiore di Trebiciano, Trieste (Pisces, Pycnodontiformes). Atti del Museo Civico di Storia Naturale di Trieste 48: 261-289.

Kriwet J. 2001. Palaeobiogeography of pycnodontiform fishes (Actinopterygii, Neopterygii). In: Melendez G., Herrera Z., Delvene G. & Azanza B. (eds) Los Fósiles y la Paleogeographia: 121-130. XII Jornadas de la Sociedad Española de Paleontologia, Zaragoza.

Kriwet J. 2005. A comprehensive study of the skull and dentition of pycnodont fishes. Zitteliana A45: 135-188.

Kriwet J, Poyato-Ariza F.J. & Wenz S. 1999. A revision of the pycnodont fish Coelodus subdiscus Wenz, 1989, from the Early Cretaceous of Montsec (Lleida, Spain). Treballs del Museu de Geologia de Barcelona 8: 33-65.

Nursall J.R. 1996a. Distribution and ecology of pycnodont fishes. In: Arratia G. & Viohl G. (eds) Mesozoic Fishes – Systematics and Paleoecology: 115-124. Verlag Dr. F. Pfeil, München.

Nursall J.R. 1996b. The phylogeny of pycnodont fishes. In: Arratia G. & Viohl G. (eds) Mesozoic Fishes – Systematics and Paleoecology: 125-152. Verlag Dr. F. Pfeil, München.

Nursall J.R. 1999. The pycnodontiform bauplan: The morphology of a successful taxon. In: Arratia G. & Schultze H.-P. (eds) Mesozoic Fishes – Systematics and Fossil Record: 180-214. Verlag Dr. F. Pfeil, München.

Nursall J.R. 2010. The case for pycnodont fishes as the fossil sister-group of teleosts. In: Nelson J. S., Schultze H.-P. & Wilson M.V.H. (eds) Origin and Phylogenetic Interrelationships of Teleosts: 37-60. Verlag Dr. F. Pfeil, München.

Poyato-Ariza F.J. 2010. Polazzodus, gen. nov., a new pycnodont fish from the Late Cretaceous of northeastern Italy. Journal of Vertebrate Paleontology 30 (3): 650-664. http://dx.doi.org/10.1080/02724631003762955

Poyato-Ariza F.J. & Wenz S. 2000. A new pycnodontiform fish from the eraly Cretaceous of Las Hoyas (Cuenca, Spain). Bulletin de la Société géologique de France 171 (3): 251-258.

Poyato-Ariza F.J. & Wenz S. 2002. A new insight into pycnodontiform fishes. Geodiversitas 24 (1): 139-248.

Poyato-Ariza F.J. & Wenz S. 2004. The new pycnodontid fish genus Turbomesodon, and a revision of Macromesodon based on new material from the Lower Cretaceous of Las Hoyas, Cuenca, Spain. In: Arratia G. & Tintori A. (eds) Mesozoic Fishes 3 – Systematics, Paleoenvironments and Biodiversity: 341-378. Verlag Dr. F. Pfeil, München.

Poyato-Ariza F.J. & Wenz S. 2005. Akromystax tilmachiton gen. et sp. nov., a new pycnodontid fish from the Lebanese Late Cretaceous of Haqel and En Nammoura. Journal of Vertebrate Paleontology 25 (1): 27-45. http://dx.doi.org/10.1671/0272-4634(2005)025[0027:ATGESN]2.0.CO;2

Taverne L. 1997. Les poissons crétacés de Nardò. 5°. Pycnodus nardoensis sp. nov. et considérations sur l’ostéologie du genre Pycnodus (Actinopterygii, Halecostomi, Pycnodontiformes). Bollettino del Museo di Storia Naturale di Verona 21: 437-454.

Published
2013-12-04
How to Cite
Taverne, L., & Capasso, L. (2013). Osteology and relationships of Rhinopycnodus gabriellae gen. et sp. nov. (Pycnodontiformes) from the marine Late Cretaceous of Lebanon. European Journal of Taxonomy, (67). https://doi.org/10.5852/ejt.2013.67