Species
Paucicrura navis (Öpik, 1930)
Taxon description
Hints, L., 1975
Shell of moderate size, unequally biconvex with pedicle valve more than four-fifths as long as wide. Dorsal interior with thin plate-like basically divergent brachiophores, with strong socket plates. Cardinal process with median crest reaching above the hinge-line. Radial ornamentation consisting of angular costellae with endopunctae, varying from 6 to 8 per 2 mm, at 5 mm anterior of dorsal umbo.
Tyyppilajitiedot
Synonyymit
1933 Onniella navicula sp. nov. — Öpik , pp. 17, fig. 5: 3-4; 6: 1
1951 Dalmanella navis Öpik — Alichova , pp. 39-40, fig. pl. 3: 42-43, 59
1969 Dalmanella navis Öpik, 1930 — Alichova , pp. 26-27, fig. 2: 1-8
1975 Paucicrura navis (Öpik, 1930) — Hints , pp. 52-56, fig. 12: 1-10; 13:1-11
Aiheeseen liittyvät julkaisut
Hints, L. 1975. Brahiopody Enteletacea ordovika Pribaltiki. pp. 1-119. Eesti NSV Teaduste Akadeemia.
Öpik, A. 1933. Über einige Dalmanellacea aus Estland. Tartu Ülikooli Geoloogia Instituudi Toimetused 32, 1-25.
Öpik, A. 1930. Brachiopoda Protremata der estländischen ordovizischen Kukruse-Stufe. Tartu Ülikooli Geoloogia Instituudi Toimetused 20, 1-261.
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Brachiopoda |
Subphylum | Rhynchonelliformea |
Class | Rhynchonellata |
Order | Orthida |
Suborder | Dalmanellidina |
Superfamily | Dalmanelloidea |
Family | Dalmanellidae |
Subfamily | Dalmanellinae |
Genus | Paucicrura |
Species | navicula |
navis | |
plana | |
robusta |
Levinneisyys ja viitteet
- Hints, L., 1975 Savala borehole
- Öpik, 1930a Kohtla Kukruse Stage