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.

Type specimen data

holotype: TUG 1054-64-1, Kohtla, Kukruse Stage ( Kukruse Stage; Sandbian)

Synonymy list

1930 Dalmanella navis sp. nov. — Öpik , pp. 110-116, fig. 11

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

Selection of related publications

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.

Classification

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

References based on distribution

Hints, L., 1975 Savala borehole
Öpik, 1930a Kohtla Kukruse Stage