Dybowskites
Appearance
Dybowskites Temporal range: Ordovician-Silurian
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Bryozoa |
Class: | Stenolaemata |
Order: | †Trepostomatida |
Family: | †Ralfimartitidae |
Genus: | †Dybowskites Pushkin 1987 |
Dybowskites is an extinct genus of bryozoan of the family Ralfimartitidae, found in the Ordovician and Silurian periods. It forms branching, frond-like, or sometimes segmented colonies. In cross-sections of the colonies, the tubular autozooecia are seen growing alongside the branch axis and then bending abruptly to reach the colony surface at a perpendicular angle. There are many mesozooecia and large acanthostyles that protrude from the colony surface.[1]
Species
[edit]Two species are recognized:[2]
- †Dybowskites clava Bassler 1911
- †Dybowskites ernsti Jiménez-Sánchez 2009
References
[edit]- ^ Ernst, Andrej; Key, Marcus (2007). "Upper Ordovician Bryozoa from the Montagne de Noire, Southern France". Journal of Systematic Palaeontology. 5 (4): 395–397. Bibcode:2007JSPal...5..359E. doi:10.1017/S1477201907002155. S2CID 85115257.
- ^ "Dybowskites Pushkin 1987". Palaeobiology Database.