Daonella

Daonella; Temporal range: Middle Triassic–Late Triassic PreꞒ Ꞓ O S D C P T J K Pg N
	Fossil Daonella
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Ostreida
Family:	Posidoniidae
Genus:	Daonella

Daonella is a genus of oyster-like saltwater clams, marine bivalve mollusks which lived in 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]

References

Mojsisovics, E (1874). "Über die Triadischen Pelecypoden-Gattungen Daonella und Halobia". Abhandlungen der K. K. Geologischen Reichsanstalt. 7: 1–35.
McRoberts, CA (2000). "A Primitive Halobia (Bivalvia:Halobioidea) from the Triassic of Northeast British Columbia". Journal of Paleontology. 74 (4): 599–603. doi:10.1666/0022-3360(2000)074<0599:APHBHF>2.0.CO;2.
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.
Schatz, W (2004). "Revision of the Subgenus Daonella (Arzelella) (Halobiidae; Middle Triassic)". Journal of Paleontology. 78 (2): 300–316. doi:10.1666/0022-3360(2004)078<0300:ROTSDA>2.0.CO;2.

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[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 (4): 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 (2): 300–316. doi:10.1666/0022-3360(2004)078<0300:ROTSDA>2.0.CO;2.