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Title: Rhacheosaurus  
Author: World Heritage Encyclopedia
Language: English
Subject: Dakosaurus, List of crurotarsan genera, Metriorhynchidae, Geosaurus, Monheim, Bavaria
Publisher: World Heritage Encyclopedia


Temporal range: Late Jurassic, 151–151Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Subclass: Diapsida
Infraclass: Archosauromorpha
(unranked): Mesoeucrocodylia
Suborder: Thalattosuchia
Family: Metriorhynchidae
Genus: Rhacheosaurus
von Meyer, 1831
  • R. gracilis von Meyer, 1831 (type)

Rhacheosaurus is an extinct genus of marine crocodyliform belonging to the family Metriorhynchidae. The genus was established by von Meyer in 1831 for skeletal remains from the Tithonian (Late Jurassic) of Germany.[1]

History and classification

A phylogenetic analysis in 2009 showed that several long-snouted species formerly classified in the related genera Geosaurus, Enaliosuchus, and Metriorhynchus were in fact more closely related to the original specimens of Cricosaurus, and thus were re-classified into this genus.[2] This analysis also resurrected the generic name Rhacheosaurus.


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