Daonella

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In paleontology, Daonella was a genus of bivalves (clams) of the middle to late Triassic period.[1] They are related to the genera Aparimella and Halobia.[2] Since they were ubiquitous in the Arctic, Tethys and Panthalassa seas, they are frequently used as index fossils in dating rocks to the Triassic period.[3] However, the systematic classification of the Daonella is still an area of ongoing research.[4]

[edit] References

  1. ^ Mojsisovics, E (1874). "Über die Triadischen Pelecypoden-Gattungen Daonella und Halobia". Abhandlungen der k. k. Geologischen Reichsanstalt 7: 1–35. 
  2. ^ McRoberts, CA (2000). "A Primitive Halobia (Bivalvia:Halobioidea) from the Triassic of Northeast British Columbia". Journal of Paleontology 74: 599–603. doi:10.1666/0022-3360(2000)074<0599:APHBHF>2.0.CO;2. 
  3. ^ McRoberts, CA (1997). "Late Triassic North American Halobiid bivalves: stratigraphic distribution, diversity trends, and their circum-Pacific correlation" in J. M. Dickens et al., Late Paleozoic and Early Mesozoic circum-Pacific events. Cambridge: Cambridge University Press, pp.198-208. 
  4. ^ Schatz, W (2004). "Revision of the Subgenus Daonella (Arzelella) (Halobiidae; Middle Triassic)". Journal of Paleontology 78: 300–316. doi:10.1666/0022-3360(2004)078<0300:ROTSDA>2.0.CO;2. 
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