Messageria scalarioides scalarioides ( Bavay & Dautzenberg, 1904 )

Chen, Zhe-Yu & Lin, Li-Wen, 2021, Notes on the genus Messageria Bavay & Dautzenberg, 1904, with descriptions of a new speciesand anew subspecies (Gastropoda: Caenogastropoda: Cyclophoroidea Alycaeidae), Zootaxa 5067 (1), pp. 129-134 : 130

Messageria scalarioides scalarioides ( Bavay & Dautzenberg, 1904)

( Figures 1 A–D )

Helicomorpha scalarioides Bavay & Dautzenberg, 1904: 228 , pl. 11, figs 9–12.

Type material. Syntypes of Helicomorpha scalarioides Bavay & Dautzenberg, 1904 , MNHN-IM-2000- 32414/32415, RBINS MT.1016/2, Ht Tonkin [Haut Tonkin], coll. Messenger.

Museum material. MNHN-IM-2014-7928 (one of the labels wrote “Messenger” with yellow mark), Ht Tonkin [Haut Tonkin], coll. Letellier, 1949.

Measurements. H = 3.20 mm, W = 2.81 mm, D A = 1.50 mm (n = 1).

Vernacular name. Į梯ĦfiḏDzss亚ḋ xuán tī chóng lèi luó zhǐ míng yà zhǒng

Distribution. VIETNAM: Yên Bái to Long Sõn.

Figures

FIGURE 1. Species of Messageria (A–M) and Helicomorpha (P–S). A–D. Messageria scalarioides (syntype, MNHN-IM- 2000-32414). E–H. Messageria scalarioides donghiana n. ssp. (holotype, HBUMM 10058) I–O. Messageria sinica n. sp. I–L. (holotype, HBUMM 10021). M. (paratype, HBUMM 10055). N–O. Opercula, outer side (N) and inner side (O) (holotype, HBUMM 10021) P–S. Helicomorpha turricula (lectotype, SMF 105304). Photos: Barna Páll-Gergely (A–D), Zhe-Yu Chen (E–O) and Sigrid Hof (P–S).