A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO

A new species of the actinopterygian fish genus Saurichthys is described on the basis of several specimens from the Sceltrich beds (Meride Limestone Formation) of the UNESCO World Heritage area of Monte San Giorgio. The new species shows among other characters, unsegmented lepidotrichia in all fins...

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Main Authors: SILVIO RENESTO, FABIO MAGNANI, RUDOLF STOCKAR
Format: Article
Language:English
Published: Milano University Press 2021-02-01
Series:Rivista Italiana di Paleontologia e Stratigrafia
Subjects:
Online Access:https://riviste.unimi.it/index.php/RIPS/article/view/15143
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author SILVIO RENESTO
FABIO MAGNANI
RUDOLF STOCKAR
author_facet SILVIO RENESTO
FABIO MAGNANI
RUDOLF STOCKAR
author_sort SILVIO RENESTO
collection DOAJ
description A new species of the actinopterygian fish genus Saurichthys is described on the basis of several specimens from the Sceltrich beds (Meride Limestone Formation) of the UNESCO World Heritage area of Monte San Giorgio. The new species shows among other characters, unsegmented lepidotrichia in all fins and elongated and wide paired fins, suggesting a different adaptation for swimming and catching preys with respect to other Saurichthys species of Monte San Giorgio. Phylogenetic analysis suggests that the new species is closely related to the Saurorhynchus species group. The new finding adds further knowledge to the plasticity and functional adaptations of the genus Saurichthys, which was one of the most successful actinopterygians of the Triassic.
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spelling doaj.art-9ed4f15abd774aa9b897815030bc1e222023-09-02T10:57:30ZengMilano University PressRivista Italiana di Paleontologia e Stratigrafia0035-68832039-49422021-02-01127110.13130/2039-4942/15143A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIOSILVIO RENESTOFABIO MAGNANIRUDOLF STOCKARA new species of the actinopterygian fish genus Saurichthys is described on the basis of several specimens from the Sceltrich beds (Meride Limestone Formation) of the UNESCO World Heritage area of Monte San Giorgio. The new species shows among other characters, unsegmented lepidotrichia in all fins and elongated and wide paired fins, suggesting a different adaptation for swimming and catching preys with respect to other Saurichthys species of Monte San Giorgio. Phylogenetic analysis suggests that the new species is closely related to the Saurorhynchus species group. The new finding adds further knowledge to the plasticity and functional adaptations of the genus Saurichthys, which was one of the most successful actinopterygians of the Triassic.https://riviste.unimi.it/index.php/RIPS/article/view/15143Saurichthys; Actinopterygii; Middle Triassic (Ladinian); Sceltrich beds; Meride Limestone; New species; Osteological description; Phylogeny; Paleoecology.
spellingShingle SILVIO RENESTO
FABIO MAGNANI
RUDOLF STOCKAR
A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO
Rivista Italiana di Paleontologia e Stratigrafia
Saurichthys; Actinopterygii; Middle Triassic (Ladinian); Sceltrich beds; Meride Limestone; New species; Osteological description; Phylogeny; Paleoecology.
title A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO
title_full A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO
title_fullStr A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO
title_full_unstemmed A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO
title_short A NEW SPECIES OF <em>SAURICHTHYS</em> (ACTINOPTERYGII: SAURICHTYDAE) FROM THE MIDDLE TRIASSIC OF MONTE SAN GIORGIO
title_sort new species of em saurichthys em actinopterygii saurichtydae from the middle triassic of monte san giorgio
topic Saurichthys; Actinopterygii; Middle Triassic (Ladinian); Sceltrich beds; Meride Limestone; New species; Osteological description; Phylogeny; Paleoecology.
url https://riviste.unimi.it/index.php/RIPS/article/view/15143
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