Bromsgroveia

Bromsgroveia is an extinct genus of predatory archosaur from the Triassic of England. Ctenosauriscids were a group of rauisuchians that was related to the ancestors of modern crocodiles and alligators.[1]

Bromsgroveia
Temporal range: Middle Triassic
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Paracrocodylomorpha
Branch: Poposauroidea
Family: Ctenosauriscidae
Genus: Bromsgroveia
Galton, 1985
Species
  • B. walkeri Galton, 1985 (type)

Classification

Bromsgroveia was closely related to Ctenosauriscus, and together with a few other genera they make up Ctenosauriscidae. The ctenosauriscids were closely related to the poposaurids, as shown by a few shared derived characteristics.[2] The pelvic girdle in Bromsgroveia unites this taxon with Ctenosauriscus, Lotosaurus, Arizonasaurus, and Hypselorhachus.[3]

Below is a phylogenetic cladogram simplified from Butler et al. in 2011 showing the cladistics of Archosauriformes, focusing mostly on Pseudosuchia:[4]

Poposauroidea

Qianosuchus

Ctenosauriscidae

Arizonasaurus

Xilousuchus

Hypselorhachis

Ctenosauriscus

Bromsgroveia

Waldhaus Taxon

Poposaurus gracilis H

Poposaurus gracilis Y

Lotosaurus

Sillosuchus

Shuvosaurus

Effigia

References

  1. Galton, P.M. (1985). "The poposaurid thecodontian Teratosaurus suevicus v. Meyer, plus referred specimens mostly based on prosauropod dinosaurs, from the Middle Stubensandstein (Upper Triassic) of Nordwürttemberg". Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie). 116: 1–29.
  2. Nesbitt, S.J. (2003). "Arizonasaurus and its implications for archosaur divergence". Proceedings of the Royal Society B. 270: S234–S237. doi:10.1098/rsbl.2003.0066. PMC 1809943. PMID 14667392.
  3. Nesbitt, S.J. (2005). "Osteology of the Middle Triassic pseudosuchian archosaur Arizonasaurus babbitti". Historical Biology. 8 (1): 19–47. doi:10.1080/08912960500476499.
  4. Butler, R.J.; Brusatte, S.J.; Reich, M.; Nesbitt, S.J.; Schoch, R.R.; Hornung, J.J. (2011). Andrew A. Farke (ed.). "The Sail-Backed Reptile Ctenosauriscus from the Latest Early Triassic of Germany and the Timing and Biogeography of the Early Archosaur Radiation". PLoS ONE. 6 (10): e25693. doi:10.1371/journal.pone.0025693. PMC 3194824. PMID 22022431.


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