Stigmatella (bryozoan)
| Stigmatella | |
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| Stigmatella personata; trepostome bryozoan encrusting the underside of a carbonate hardground; Corryville Formation; Upper Ordovician; Mason County, Kentucky. | |
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| Genus: | Stigmatella † |
| Species | |
Stigmatella halysa Armstrong, 1945 (= S. catenulata var. B Parks and Dyer (1922)) | |
Stigmatella is an extinct genus of bryozoans in the family Heterotrypidae. It is known from the Ordovician period and found in the U.S. states of Ohio, Kentucky and Indiana. Its colonies can form branches, lobes, or masses made from new layers encrusting upon older ones. In Kentucky, fossil remains of species Stigmatella personata that lived in underwater caves have been found, growing 'upside-down' on the cave ceiling. [2]
See also
[edit]References
[edit]- ^ Redescription of type specimens of bryozoan Stigmatella from the Upper Ordovician of the Toronto region, Ontario (1973). By Fritz, Madeleine A., 1896, Royal Ontario Museum
- ^ Buttler, Caroline; Wilson, Mark (2018). "Paleoecology of an Upper Ordovician submarine cave-dwelling bryozoan fauna and its exposed equivalents in northern Kentucky, USA". Journal of Paleontology. 92 (4): 568–576. Bibcode:2018JPal...92..568B. doi:10.1017/jpa.2017.131. S2CID 135141233.
External links
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