Didacna pyramidata (Grimm, 1877)

*1877 Cardium pyramidatum Grimm: 46-49, pl. 8, fig. 1 a–d .

1932 Didacna pyramidata (Grimm, 1877). - Bogachev: 28-29, pl. 2, figs 15, 16.

1952 Didacna pyramidata (Grimm, 1877). - Zhadin: 347, fig. 320.

1969 Didacna pyramidata (Grimm). - Logvinenko and Starobogatov: 324, fig. 344(1).

1969 Didacna pyramidata (Grimm, 1877). - Vekilov: 144-147, pl. 26, figs 1-5.

1973 Didacna pyramidata Grimm, 1877. - Grossu: 130, text fig. 6, pl. 1, fig. 1.

2007 Didacna pyramidata (Grimm, 1877). - Nevesskaja: 940, pl. 23, figs 6-10.

2013 Didacna pyramidata (Grimm, 1877). - Kijashko in Bogutskaya et al.: 357, fig. 135, photo 47.

2016 Didacna pyramidata (Grimm, 1877). - Vinarski and Kantor: 73.

Status. Pontocaspian species, endemic to Caspian Sea.

Type locality. Caspian Sea, offshore Azerbaijan, 39°47'N, 49°59'30"E (Kijashko in Bogutskaya et al. 2013).

Distribution. Caspian Sea: southern basin and southern part of the middle basin at depths between 30-100 m (Logvinenko and Starobogatov 1969).

Conservation status. Not assessed.