Cymbospondylus

Skull of the Middle Triassic North-American ichthyosaur Cymbospondylus petrinus, preserved in three dimensions. This specimen is cataloged under the number UCMP 9913. More information is available from the source link.

Figure description from paper: "Figure 23: Early and Middle Triassic ichthyopterygian heads possessing longirostry. Simplified outlines of four different Early and Middle Triassic ichthyopterygian heads possessing a long and slender rostrum. Specimens are at the same scale. (A) Utatsusaurus hataii (UHR 30691, Motani, Minoura & Ando, 1998); (B) Grippia longirostris (PMU R445, Motani, 2000); (C) Mixosaurus cornalianus (BES SC 1000, Renesto et al., 2020); (D) Besanosaurus leptorhynchus (PIMUZ T 4847, this paper); (E) Cymbospondylus buchseri (PIMUZ T 4351, Sander, 1989). Scale bar represents 10 cm." References: Bindellini, G.; Wolniewicz, A.S.; Miedema, F.; Scheyer, T.M.; Dal Sasso, C. (2021). "Cranial anatomy of Besanosaurus leptorhynchus Dal Sasso & Pinna, 1996 (Reptilia: Ichthyosauria) from the Middle Triassic Besano Formation of Monte San Giorgio, Italy/Switzerland: Taxonomic and palaeobiological implications". PeerJ 9: e11179. DOI:10.7717/peerj.11179.

Reconstruction of a paleoecological environment, showing a Cymbospondylus petrinus swimming next to a group of Phalarodon fraasi (formerly identified as Mixosaurus nordenskioeldii as depicted by Sander & Bucher (1990) and Schmitz (2005)).

Modified version of figure 23 of Bindellini et al. (2021) showing just the ichthyosaurs from the Besano Formation: Besanosaurus leptorhynchus (A), Mixosaurus cornalianus (B), and Cymbospondylus buchseri (C). The original figure was uploaded unmodified here: File:Early to Middle Triassic Longirostrine Ichthyopterygians.png References: Bindellini, G.; Wolniewicz, A.S.; Miedema, F.; Scheyer, T.M.; Dal Sasso, C. (2021). "Cranial anatomy of Besanosaurus leptorhynchus Dal Sasso & Pinna, 1996 (Reptilia: Ichthyosauria) from the Middle Triassic Besano Formation of Monte San Giorgio, Italy/Switzerland: Taxonomic and palaeobiological implications". PeerJ 9: e11179. DOI:10.7717/peerj.11179.

Skull of the Middle Triassic North-American ichthyosaur Cymbospondylus petrinus, preserved in three dimensions. This specimen is cataloged under the number UCMP 9913. More information is available from the source link.