Quadrisemicoscinium
| Quadrisemicoscinium Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Bryozoa |
| Class: | Stenolaemata |
| Order: | †Fenestrata |
| Family: | †Semicosciniidae |
| Genus: | †Quadrisemicoscinium Sepkoski, 2002 |
Quadrisemicoscinium is an extinct genus of fenestrate bryozoan, known from the Early Devonian period, of the family Semicosciniidae. It formed net-like colonies of relatively thick branches with two rows of autozooids per branch, supported by a vesicular skeleton.[2][3]
Species
[edit]Three species are recognized.[4]
- †Quadrisemicoscinium alticarinatum (Troitzkaia, 1968)
- †Quadrisemicoscinium fungiforme Plamenskaya, 1991
- †Quadrisemicoscinium intermedium (Nekhoroshev, 1926)
References
[edit]- ^ "Quadrisemicoscinium". Palaeobiology Database.
- ^ Ernst, Andrej; Dorsch, Tobias; Keller, Martin (2011). "A bryozoan fauna from the Santa Lucia Formation (Lower–Middle Devonian) of Cantabrian Mountains, NW Spain". Facies. 57 (2): 301–329. Bibcode:2011Faci...57..301E. doi:10.1007/s10347-010-0238-9. S2CID 129231518.
- ^ Ernst, Andrej (2012). "Diversity dynamics and evolutionary patterns of Devonian Bryozoa". Palaeobiodiversity and Palaeoenvironments. 93.
- ^ Bock, P. (2022). "World List of Bryozoa. Quadrisemicoscinium Plamenskaya, 1991 †". WoRMS. World Register of Marine Species. Retrieved 2 March 2022.
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