Darwinula stevensoni, copyright Robin James Smith.

Belongs within: Ostracoda.

The Darwinulidae are a group of ostracods living in fresh or brackish waters, known from the Upper Carboniferous (possibly the Ordovician) to the present (Benson et al. 1961).

Characters (from Benson et al. 1961): Shell elongate-ovate; more narrowly rounded and less convex in front; surface typically smooth; right valve larger than left. Hinge simple, undifferentiated; muscle scar comprising numerous radially arranged spots.

<==Darwinulidae [Darwinulacea, Darwinulocopina, Darwinuloidea]
    |--Vestalenula EHH05
    |--Darwinuloides Mandelstam 1956 BB61
    |    |--*D. oviformis (Mandelstam 1947) [=Darwinula oviformis] BB61
    |    `--D. sentjakensis TT05
    `--Darwinula Brady & Norman 1889 DH86 (see below for synonymy)
         |--*D. stevensoni (Brady & Roberston 1870) [=*Polycheles stevensoni, *Darwinella stevensoni] BB61
         |--D. australis Chapman 1909 F71
         |--D. boteai Danielopol 1970 DH86
         |--D. impudica HH09
         |--D. magna HH09
         |--D. protacta Rome 1953 DH86
         `--D. sarytirmenensis HH09

Darwinula Brady & Norman 1889 DH86 [=Darwinella Brady & Robertson 1872 non Müller 1865 BB61, Polycheles Brady 1870 non Heller 1862 BB61; incl. Cyprione Jones 1885 BB61]

*Type species of generic name indicated


[BB61] Benson, R. H., J. M. Berdan, W. A. van den Bold, T. Hanai, I. Hessland, H. V. Howe, R. V. Kesling, S. A. Levinson, R. A. Reyment, R. C. Moore, H. W. Scott, R. H. Shaver, I. G. Sohn, L. E. Stover, F. M. Swain & P. C. Sylvester-Bradley. 1961. Systematic descriptions. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt Q. Arthropoda 3: Crustacea: Ostracoda pp. Q99–Q421. Geological Society of America and University of Kansas Press.

[DH86] Danielopol, D. L., & G. Hartmann. 1986. Ostracoda. In: Botosaneanu, L. (ed.) Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) pp. 265–294. E. J. Brill/Dr W. Backhuys: Leiden.

[EHH05] Eberhard, S. M., S. A. Halse & W. F. Humphreys. 2005. Stygofauna in the Pilbara region, north-west Western Australia: a review. Journal of the Royal Society of Western Australia 88 (4): 167–176.

[F71] Fletcher, H. O. 1971. Catalogue of type specimens of fossils in the Australian Museum, Sydney. Australian Museum Memoir 13: 1–167.

[HH09] Hu, D., L. Hou, L. Zhang & X. Xu. 2009. A pre-Archaeopteryx troodontid theropod from China with long feathers on the metatarsus. Nature 461: 640–643.

[TT05] Tverdokhlebov, V. P., G. I. Tverdokhlebova, A. V. Minikh, M. V. Surkov & M. J. Benton. 2005. Upper Permian vertebrates and their sedimentological context in the South Urals, Russia. Earth-Science Reviews 69: 27–77.

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