Order
Pseudorthocerida Flower et Caster, 1935
Aiheeseen liittyvät julkaisut
Manda, Š., Turek, V. 2015. Colour patterns on Silurian orthocerid and pseudorthocerid Conchs from Gotland - palaeoecological implications. Estonian Journal of Earth Sciences 64, 1, 74-79. DOI:10.3176/earth.2015.13
Stumbur, H. A. 1956. On the nautiloids of Kohila Subseries (Upper Ordovician of East Baltic). Tartu Riikliku Ülikooli Toimetised 42, 176-185.
List of species
3. Spyroceras perlaeve (Strand, 1934) | Upper Ordovician
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Orthoceratia |
Order | Astroviida |
Bajkalocerida | |
Dissidoceratida | |
Endoceratida | |
Orthocerida | |
Pseudorthocerida | |
Family | Spyroceratidae |
Genus | Lyecoceras |
Order | Rioceratida |
See also