Quadrisemicoscinium

Quadrisemicoscinium
Temporal range: Emsian–Eifelian[1]
Scientific classification Edit this classification
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

Three species are recognized.[4]

  • †Quadrisemicoscinium alticarinatum (Troitzkaia, 1968)
  • †Quadrisemicoscinium fungiforme Plamenskaya, 1991
  • †Quadrisemicoscinium intermedium (Nekhoroshev, 1926)

References

  1. ^ "Quadrisemicoscinium". Palaeobiology Database.
  2. ^ 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.
  3. ^ Ernst, Andrej (2012). "Diversity dynamics and evolutionary patterns of Devonian Bryozoa". Palaeobiodiversity and Palaeoenvironments. 93.
  4. ^ Bock, P. (2022). "World List of Bryozoa. Quadrisemicoscinium Plamenskaya, 1991 †". WoRMS. World Register of Marine Species. Retrieved 2 March 2022.


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