Genus

Heterotrypa Nicholson, 1879

Selection of related publications

Ernst, A., Nakrem, H. 2015. Bryozoans from the lower Silurian (Wenlock) Steinsfjorden Formation of Ringerike, southern Norway. Bulletin of Geosciences 90, 1, 65-87. DOI:10.3140/bull.geosci.1521

Pushkin, V. I. 1987. Ordovikskie mšanki podotrâda Halloporina Belorussii i smežnyh rajonov Vostočno- Evropejskoj platformy. Ordovik Belorussii, pp. 145-232. Nauka i Tehnika.

Brood, K. 1980. Upper Ordovician bryozoa from Dalmantina beds of Kinnekulle, Sweden. GFF 102, 1, 27-35. DOI:10.1080/11035898009448587

Pushkin, V. I. 1976. On the genus Anaphragma (Bryozoa). Paleontologicheski Zhurnal 1976, 3, 51-57.

Pushkin, V. I. 1976. Novye vidy ordovikskih i silurijskih mšanok Brestskoj vpadiny [Новые виды ордовикских и силурийских мшанок Брестской впадины]. New species of Ordovician and Silurian Bryozoans of the Brest Depression, pp. 5-40. Nauka i tehnika.

Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.

Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852. Institut Geologii Akademii Nauk Estonskoi SSR.

Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 91-167. Gostoptehizdat.

Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.

List of species

1. Heterotrypa astrovae Pushkin, 1976 | Llandovery

2. Heterotrypa compressa Brood, 1978 | Upper Ordovician

3. Heterotrypa incrustans Pushkin, 1976 | Llandovery

4. Heterotrypa inflectiformis Pushkin, 1987 | Keila Stage

5. Heterotrypa obscura (Ulrich, 1882) | Rakvere Stage→Nabala Stage

6. Heterotrypa praenuntia (Ulrich, 1893) | Kukruse Stage→Rakvere Stage

7. Heterotrypa ringerikense Ernst et Nakrem, 2015 | Sheinwoodian→Homerian

8. Heterotrypa semisphaerica Pushkin, 1976 | Uhaku Stage

9. Heterotrypa undata Pushkin, 1987 | Jõhvi Substage→Keila Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Bryozoa
Class	Stenolaemata
Superorder	Palaeostomata
Order	Trepostomata
Suborder	Halloporina (suborder)
Family	Monticuliporidae
Subfamily	Heterotrypinae
Genus	Dannunziopora
	Dekayella
	Dekayia
	Eichwaldopora
	Heterotrypa
Species	astrovae
	compressa
	frondosa
	incrustans
	inflectiformis
	obscura
	praenuntia
	ringerikense
	semisphaerica
	undata
Genus	Leioclema
	Lioclemella
	Stigmatella