Biology:Hemiphragma (bryozoan)
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Short description: Extinct genus of bryozoans
| Hemiphragma | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Bryozoa |
| Class: | Stenolaemata |
| Order: | †Trepostomida |
| Family: | †Dittoporidae |
| Genus: | †Hemiphragma Ulrich, 1893 |
Hemiphragma is an extinct genus of Middle Ordovician bryozoan. It had branching colonies with thick-walled zooecial apertures and lots of acanthopores, but few mesopores.[1]
References
- ↑ Bork, Kennard B.; Perry, T.G. (1968). "Bryozoa (Ectoprocta) of Champlainian Age (Middle Ordovician) from Northwestern Illinois and Adjacent Parts of Iowa and Wisconsin. Part II. Bythotrypa, Diplotrypa, Hemiphragma, Heterotrypa, Stigmatella, Eridotrypa, and Nicholsonella". Journal of Paleontology 42 (2): 337–355.
Wikidata ☰ Q38494358 entry
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