Biology:Trepostomata

Trepostomata; Temporal range: Early Ordovician–Triassic PreЄ Є O S D C P T J K Pg N
	Esthoniopora, a trepostome from the Ordovician of Estonia (cross-section).
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Bryozoa
Class:	Stenolaemata
Order:	†Trepostomata; Ulrich 1882
Families
	Heterotrypidae ; Monticuliporidae

Trepostome bryozoan with bioerosion; Bellevue Formation, Upper Ordovician (Katian), northern Kentucky.

Trepostomata (the trepostomates) is an extinct bryozoan order in the class Stenolaemata.

References

↑ 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
↑ New Monticuliporidae (Bryozoa, Trepostomata) from the Cystoid Limestone Formation (Upper Ordovician) of the Iberian Chains (NE Spain). Jimenez-Sanchez Andrea, Geodiversitas, 2010, vol. 32, no2, pages 177-199, INIST:22896890

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Heterotrypa sp., a trepostome bryozoan from the Corryville Formation (Upper Ordovician) in Covington, Kentucky.

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Trepostomata Temporal range: Early Ordovician–Triassic PreЄ Є O S D C P T J K Pg N

Esthoniopora, a trepostome from the Ordovician of Estonia (cross-section).
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Bryozoa
Class:	Stenolaemata
Order:	†Trepostomata Ulrich 1882^[1]
Families
Heterotrypidae Monticuliporidae^[2]