Species
Orthoceras regulare Schlotheim, 1820
Synonymy list
1820 Orthoceratites regularis — Schlotheim , pp. 54
1931 Orthoceras regulare Schlotheim — Troedsson
1956 Orthoceras regulare Schlotheim, 1820 — Balashov , pp. 234 , fig. I 1-4A,b; II 1-4a,б; 5a,б
1970 Orthoceras regulare Schlotheim — Rõõmusoks , pp. 43
2002 Orthoceras regulare (Schlotheim, 1820) — Mutvei , pp. 158
2004 Orthoceras regulare Schlotheim, 1820 — Kröger , pp. 59 , fig. 28
Selection of related publications
Pohle, A., Klug, C., Toom, U., Kröger, B. 2019. Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from Estonia. Fossil Imprint 75, 1, 70-78. DOI:10.2478/if-2019-0006
Kröger, B. 2004. Revision of Middle Ordovician orthoceratacean nautiloids from Baltoscandia. Acta Palaeontologica Polonica 49, 1, 57-74.
Mutvei, H. 2002. Connecting ring structure and its significance for classification of the orthoceratid cephalopods. Acta Palaeontologica Polonica 47, 1, 157-168.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
Alichova, T. N., Balashova, E. A., Balashov, Z. G. 1954. Polevoj atlas harakternyh kompleksov fauny otloženij ordovika i gotlandiâ ûžnoj časti Litovskoj SSR. pp. 1-80. Nedra.
Schlotheim, E. F. von 1820. Die Petrefactenkunde auf ihrem jetzingen Standpuncte durch die Beschreibung seiner Sammlung versteinerter und fossiler Überreste des Thier-und Pfanzenreichs der Vorwelt erläuteri. pp. Ixii+1-436. Becker'sche Buchhandlung.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Suborder | Orthoceratina |
| Family | Orthoceratidae |
| Subfamily | Orthoceratinae |
| Genus | Orthoceras |
| Species | arcuolyratum |
| bifoveatum | |
| calamiteum | |
| compressum | |
| excentricum | |
| hoernesi | |
| luhai | |
| regulare | |
| revalense | |
| scabridum |
References based on distribution
- Kröger, 2004a Lasnamägi Stage
- Kröger, 2004a
- Rõõmusoks, 1970a Lasnamägi Lasnamägi Stage
- Mutvei, 2002a Kandle cliff Uhaku Stage
- Schlotheim, 1820 Tallinn
- Alichova et al., 1954 Tallinn Lasnamägi Stage