Species
Productorthis obtusa (Pander, 1830)
Tyyppilajitiedot
GIT 125-53 (Volkhov Stage; Dapingian)
Synonyymit
1830 Productus obtusus — Pander , pp. 87, fig. 26; 7a-c
1830 Productus subrotundus — Pander , pp. 87, fig. 26; 6a-c
1927 Producorthis obtusa — Kozłowski , pp. 9, fig. 1; 7a-c-9a-c,
1953 Producorthis obtusa(Pander) forma typica — Alichova , pp. 44, fig. 4; 4-12
Aiheeseen liittyvät julkaisut
Rubel, M. P. 1961. Lower-Ordovician brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic. ENSV TA Geoloogia Instituudi Uurimused VI, 141-226.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Orthoidea |
| Family | Productorthidae |
| Subfamily | Productorthinae |
| Genus | Productorthis |
| Species | aculeata |
| eminens | |
| obtusa | |
| parallela |