After Motani, 1998, 1999, Nicholls & Manabe, 2001, Chen, Motani, Cheng, Jiang & Rieppel, 2014b, and Motani, Jiang, Chen, Tintori, Rieppel, Ji & Huang, 2014

Family-level taxonomy of ichthyopterygians

<==o †Ichthyosauromorpha Motani, Jiang, Chen, Tintori, Rieppel, Ji & Huang, 2014 (ichthyosaurs and relatives; kalaliskomaiset matelijat)
   |?- †Wumengosaurus delictomandibularis Jiang, Rieppel, Motani, Hao, W-C. Sun, Schmitz, & Z-Y. Sun, 2008 [originally treated as nothosauroid sauropterygian]
   |--o †Hupehsuchia Carroll & Dong, 1991
   |  |-- †Nanchungosaurus suni Wang, 1959; L.Trias. SEAs. [Nanchangosauridae Wang, 1959]
   |  `--+-- †Eohupehsuchus brevicollis Chen, Motani, Cheng, Jiang & Rieppel, 2014c
   |     `--o †Hupehsuchidae Young, 1972
   |        |-- †Hupehsuchus nanchengensis Young, 1972; L.Trias. SEAs.
   |        `--+-- IVPP.V4070
   |           `-- †Parahupehsuchus longus Chen, Motani, Cheng, Jiang & Rieppel, 2014a; L.Trias. SEAs.
   `--o †Ichthyosauriformes Motani, Jiang, Chen, Tintori, Rieppel, Ji & Huang, 2014
      |-- †Cartorhynchus lenticarpus Motani, Jiang, Chen, Tintori, Rieppel, Ji & Huang, 2014
      `--o †Ichthyopterygia Owen, 1840
         |?- †Thaisaurus chonglakmanii Mazin, Suteethorn, Buffenaut, Jaeger & Helmcke-Ingavat, 1991
         |?- †Isfjordosaurus minor Motani, 1999 [Pessopteryx]
         |?- †Gulosaurus helmiCuthbertson, Russell & Anderson, 2013
         |-- †Utatsusaurus hataii Shikama, Kamei & Murata, 1978
         |-- †Parvinatator wapitiensis Nicholls & Brickman, 1995
         `--o Eoichthyosauria Motani, 1999b [Ichthyosauria sensu lato]
            |--o †Grippidae Wiman, 1929 [Grippidia Wiman, 1929]
            |  |-- †Grippia longirostris Wiman, 1929
            |  `--o †Chaohusaurus Young & Dong, 1972 [Anhuisaurus Chen, 1985; Chensaurus (Chen, 1985) Mazin et al., 1991]
            |     |-- †C. geishanensis Young & Dong, 1972 [Anhuisaurus faciles Chen, 1985; Chensaurus faciles (Chen, 1985) Mazin et al., 1991]
            |     |?- †C. chaoxianensis (Chen, 1985) [Anhuisaurus chaoxianensis Chen, 1985; Chensaurus chaoxianensis (Chen, 1985) Mazin et al., 1991]
            |     `-- †C. zhangjiawanensis Chen, Sander, Long & Wang, 2013
            `-- †Ichthyosauria Blainville, 1835

Ichthyopterygia incertae sedis:

Protoichthyosauridae Appleby, 1979
    †Protoichthyosaurus prosostealis Appleby, 1979

Nomina dubia:Svalbardosaurus crassidensShastasaurus altispinus Merriam, 1902
    †Shastasaurus carinthiacus Huene, 1925
    †Shastasaurus careyi Merriam, 1902
    †Pessopteryx arcticaPessopteryx pinguis

After Motani, Jiang, Chen, Tintori, Rieppel, Ji & Huang, 2014 (C. Ji et al., in prep.)

<==o †Ichthyosauromorpha
   |-- †Hupehsuchia
   `--o †Ichthyosauriformes
      |-- †Cartorhynchus
      `--o †Ichthyopterygia
         |--o †Chaohusaurus
         |  |-- †C. geishanensis
         |  |-- †C. chaoxianensis
         |  `-- †C. zhangjiawanensis
         `--+--o †Grippidia
            |  |-- †Utatsusaurus
            |  |-- †Parvinatator
            |  `--+-- †Grippia
            |     `-- †Gulosaurus
            `-- †Ichthyosauria

  • Motani, R., Jiang, D.-Y., Chen, G.-B., Tintori, A., Rieppel, O., Ji, C. & Huang, J.-D., 2014: A basal ichthyosauriform with a short snout from the Lower Triassic of China.
    –Nature: in press [doi: 10.1038/nature13866]

After Chen, Motani, Cheng, Jiang & Rieppel, 2014b

<==o
   |-- †Thalattosauriformes
   `--+-- †Wumengosaurus
      `--+-- †Ichthyopterygia
         `--+-- †Nanchungosaurus
            `-- †Hupehsuchus

  • Chen, X.-h., Motani, R., Cheng, L., Jiang, D.-y. & Rieppel, O., 2014b: The Enigmatic Marine Reptile Nanchangosaurus from the Lower Triassic of Hubei, China and the Phylogenetic Affinities of Hupehsuchia.
    –Plos One: Vol. 9, #7, pp. e102361 (1-13) [doi: 10.1371/journal.pone.0102361]

Reference(s):

 


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