Family: Mesotrypidae (Astrova, 1965)
Cincinnatian Genera: Atactoporella, Homotrypa, Mesotrypa, Peronopora
Mesotrypidae is an extinct family of colonial epifaunal suspension feeders
Description of the Family
- Overgrowing colonies
- Colonies can be lamellar, massive, discoidal, conical or dendritic
- Round to polygonal apertures on Zooecia; Thin walls
- Zooecia have oblique or curved diaphragms
- Mesopores numerous with numerous diaphragms; Acanthopores short or absent
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- Zooecia can have curved or straight diaphragms. In cases of curved diaphragms, only some zooecia exhibit the trait.
- Colonies are overgrowing, lamellar, massive, discoidal, conical, or dendritic. Zooecia have round or polygonal apertures, thin or slightly thickened walls, and oblique or curved diaphragms. Mesopores are numerous and have numerous diaphragms. Acanthopores are short or absent.