Daonella
Temporal range: Middle Triassic–Late Triassic
Fossil Daonella
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Pteriida
Superfamily: Pterioidea
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

edit
  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.
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Porphyrit-Hornstein Formation

reported from the formation: Bivalves Ostreida Halobiidae Daonella (Arzelella) indica Daonella (Pichlerella) pichleri List of fossiliferous stratigraphic

Carnian

Halobia, a bottom-dweller of deep sea environments, differentiated from Daonella at the beginning of this age. Scleractinian coral reefs, i.e., reefs with

List of the prehistoric life of Nevada

piscosus †Daonella †Daonella americana – type locality for species †Daonella dubia †Daonella elongata – or unidentified comparable form †Daonella gabbi †Daonella

Wengener Schichten Formation

fossils were reported from the formation: Bivalves Ostreida Halobiidae Daonella lommeli Ophiuroidea Ophiurida Ophiodermatidae Palaeocoma raiblana List

List of the prehistoric life of California

†Cymatoceras †Cymbospondylus †Cymbospondylus petrinus †Daonella – tentative report †Daonella dubia †Dentalium †Desmoceras †Desmophyllites †Dictyoconites

Besano Formation

greater than in anoxic waters. Among the most common fossils belong to Daonella, a bivalve with strong debate over its habitat preferences. Early studies

List of the prehistoric life of Alaska

†Dactylioceras †Dactylioceras commune – or unidentified comparable form †Daonella †Daxatina †Dentalium †Desmoceras †Desmophyllites †Didymoceras †Didymoceras

Muschelkalk

munsteri, Ptychites studeri, Balatonites balatonicus, Aspidura scutellata, Daonella lommeli, and in the Alpine region several rock-forming algae (for example