Limatula hyperborea (Jensen, 1909)

Allen, J. A., 2010, The Recent species of the genera Limatula and Limea (Bivalvia, Limacea) present in the Atlantic, with particular reference to those in deep water, Journal of Natural History 38 (20), pp. 2591-2653 : 2646

Limatula hyperborea (Jensen, 1909)

Type locality: Forsblad Fjord , East Greenland, 72 ‡ 27 ’ N, 25 ‡ 28 ’ W, 91–164 m.

Type: probably most of the original specimens were placed in the Zoological Museum, Copenhagen ( ZMC). Stuardo (1968) records and photographs a broken specimen and a paralectotype from the ZMC but these not found in 2002, nor in the Swedish Museum of Natural History Stockholm , however, 1 spec. (sh) exists (? lectotype) USNM No.209682, Forsblad Fjord, East Greenland, 91–164 m, i.e. from the type locality of the 1900 Danish Expedition .

Lima sulculus Leche, 1878: 34 .

Lima hyperborea Jensen, 1905: 329 , figure 1a–d ; Jensen, 1912: 41, pl. II, figure 5a–e .

Limatula hyperborea Jensen, 1905: 329 , figure 1a–d ; Filotova, 1948: 107, figure 8a, b ; Soot-Ryen, 1958: 14; Stuardo, 1968: 226, pl. 14 figures 59, 60; Abbott, 1974: 454; Fleming, 1978: 24; Høisaeter, 1986: 117.

Lima hyperborea Jensen, 1912: 41 , pl. 2, figure 5 .

Lima (Limatula) hyperborea Thiele, 1920: 43 , pl. 9, figures 3–5 ; Ockelmann, 1958: 72, pl. 2, figure 3 .

Limatula gwyni hyperborea Nordsieck, 1969: 57 .

Limatula gwyni var. hyperborea Lucas, 1980: 6 .

Lima subovata Friele and Greig, 1901: 7 .

Figures

FIG. 1. Limatula subovata. Sta. 87, lateral view of a shell from the left side. Scale bar: 1 mm.

FIG. 5. Limatula subovata. Sta. 87, posterior view of the anatomy of a juvenile specimen with the shell removed. Scale bar: 1 mm.

FIG. 8. Limatula subovata. Sta. 87, semi-digrammatic drawing to show the disposition of the major ganglia and their commissures. Scale bar: 1 mm.

FIG. 3. Limatula subovata. Sta. 87, (a) internal view of the hinge of a left valve; (b) dorsal veiw of a shell to show external detail of the hinge. Scale bar: 1 mm.

FIG. 4. Limatula subovata. Sta. 87, semi-diagrammatic drawing of a partially opened shell to show the arrangement of the tentacles on the mantle margin. Scale bar: 1 mm.