Choiaella
Extinct genus of sponges
| Choiaella Temporal range: Chengjiang–Llandovery[1] PreꞒ Ꞓ O S D C P T J K Pg N | |
|---|---|
 | |
| †Choiaella radiata | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | †Protomonaxonida |
| Family: | †Choiidae |
| Genus: | †Choiaella Rigby & Hou, 1995[2] |
| Type species | |
| †Choiaella radiata Rigby & Hou, 1995 | |
| Species | |
| |
Choiaella is an extinct genus of sea sponge ranging from the Chengjiang lagerstatten until the Lower Silurian.[1]
It is closely related to the genera Choia and Allantospongia, which the Chengjiang fauna species C. radiata coexisted sympatrically with.
The species C. scotica is known from the Caradoc-aged fine sandstone of Wallace's Cast, Southern Uplands of Scotland.[1]
The Silurian species has not been formally named.[1]
References
- ^ a b c d Botting, J. (2007). "'Cambrian' demosponges in the Ordovician of Morocco: Insights into the early evolutionary history of sponges". Geobios. 40 (6): 737–748. Bibcode:2007Geobi..40..737B. doi:10.1016/j.geobios.2007.02.006.
- ^ Rigby, J. K.; Hou, X.-G. (1995). "Lower Cambrian demosponges and hexactinellid sponges from Yunnan, China". Journal of Paleontology. 69 (6): 1009–1019. Bibcode:1995JPal...69.1009R. doi:10.1017/S0022336000037999. JSTOR 1306406. S2CID 133542014.
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