Family
Wimanicrustidae Bulman, 1970
Selection of related publications
Vinn, O., Ernst, A., Wilson, M. A., Toom, U. 2019. Symbiosis of conulariids with trepostome bryozoans in the Upper Ordovician of Estonia (Baltica). Palaeogeography, Palaeoclimatology, Palaeoecology 518, 89-96. DOI:10.1016/j.palaeo.2019.01.018
Mierzejewski, P. 1985. New aberrant sessile graptolites from glacial boulders. Acta Palaeontologica Polonica 30, 3-4, 191-199.
Eisenack, A. 1982. Einige problematische Mikrofossilien [Some problematic microfossils]. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 1982, 10, 629–636.
Obut, A. M. 1960. Correlation of some parts of Estonian Ordovician and Silurian deposits according to graptolites. ENSV TA Geoloogia Instituudi Uurimused V, 143-157.
Obut, A., Rytzk, G. 1958. Ordovician and Silurian Dendroidea of Estonia. ENSV TA Geoloogia Instituudi Uurimused III, 125-143.
Öpik, A. 1930. Beiträge zur Kenntnis der Kukruse-(C2-C3-)Stufe in Eesti. IV. Tartu Ülikooli Geoloogia Instituudi Toimetused 24, 1-34.
Öpik, A. 1928. Beiträge zur Kenntnis der Kukruse-(C2-C3-) Stufe in Eesti. III. Tartu Ülikooli Geoloogia Instituudi Toimetused 12, 1-42.
List of species
3. Holmicrusta sombrero Kozłowski, 1962 | Ordovician
4. Hormograptus cervus (Obut et Rytzk, 1958) | Vormsi Stage
5. Hormograptus defensor (Öpik, 1928) | Kukruse Stage
6. Hormograptus densitubularis (Obut, 1960) | Porkuni Stage
8. Hormograptus ramulus (Öpik, 1928) | Kukruse Stage
9. Hormograptus sphaericola (Öpik, 1928) | Kukruse Stage
10. Lapworthicrusta aenigmatica Kozłowski, 1962 | Ordovician
11. Maenniligraptus ursulae Mierzejewski, 1985 | Ordovician
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Classification