Rowsonia canarica (W.T. Blanford, 1869 )

Páll-Gergely, Barna, Hunyadi, András, Grego, Jozef, Sajan, Sheikh, Tripathy, Basudev & Chen, Zhe-Yu, 2020, A review of the Diapheridae (Gastropoda: Eupulmonata: Streptaxoidea), with special emphasis on India and Myanmar, Raffles Bulletin of Zoology 68, pp. 682-718 : 702

Rowsonia canarica (W.T. Blanford, 1869)

Ennea canarica W.T. Blanford 1869: 142 , pl. 16, fig. 11.

Ennea canarica — W.T. Blanford, 1881: 210.

Ennea canarica — W.T. Blanford, 1899: 770, pl. 50, fig. 25.

Ennea (Indoennea) canarica — Kobelt, 1904b: 161.

Ennea (Huttonella) canarica — W.T. Blanford & Godwin-Austen, 1908: 23.

Sinoennea canarica — Richardson, 1988: 155.

Gulella (Huttonella) canarica — Ramakrishna et al., 2010: 193.

Sinoennea canarica — Raheem et al., 2014: 144, fig. 93F.

Type locality. “ In Provincia South Canara , haud procul a littore occidentali Indiae.”

Material examined. Holotype, ( NHMUK 1875.03.06.74), South Canara , obtained by exchange with Lt. Col. Beddome; 4 shells ( NHMUK 1912.4.16.98), S. Canara, coll. Beddome.

Remarks. Aperture adnate, parietal callus indicated by a colourless calcareous layer. No swelling visible behind peristome. Outer part of parietal lamella rather straight, inner part curved towards the parietal region. At the border of the outer and inner parts there is a small knob-like projection on the palatal side of the lamella. Palatal wall with three elongated folds: upper one facing the curved parietal lamella, middle one situated deeper, lower fold stronger (more elevated) than the upper and middle ones, situated between the middle palatal fold and the columellar lamella. Columellar lamella blade-like.