Genus Scutalus Albers, 1850

Remarks: Breure (1979) placed Thaumastus umbilicatus Miller, 1879 (type locality: Prov. Loja, Catamayo, 2000–3000 ft.) under Nomina inquirenda, doubtfully suggesting that it might be a Scutalus .

Subgenus Scutalus (Vermiculatus) Breure, 1978

Type species: Bulimus bicolor Sowerby, 1835 . Distribution: Bolivia, Peru, Ecuador.

99. Scutalus (Vermiculatus) aequatorius (Pfeiffer, 1853)

Type locality: Mountain Schinchulagua. Lectotype BMNH 1975377 (Breure 1979).

Distribution: Chimborazo, Cerro Chanchalahua, a foothill of Cerro Chimborazo (BMNH 1975178/1 paralectotype); “Chimborazo” (ZMZ 512209); Cotopaxi, Cerro Cotopaxi (ZMB); Napo, Antisana (FMNH 124573; MCZ 193333; ZMB); Pastaza, Cerros de Abitagua (FMNH 129020); “Quito” (CMC C11763, ZMH 7625).

100. Scutalus (Vermiculatus) anthisanensis (Pfeiffer, 1853)

Type locality: Mountain Anthisana. Lectotype BMNH 1975372. Bulimus cotopaxensis Pfeiffer, 1853 (type locality: Mountain Cotopaxi, lectotype BMNH 1975370) and Bulimus subfasciatus Pfeiffer, 1853 (type locality: Anthisana, lectotype BMNH 1975368) are considered synonyms, following Weyrauch 1967: 385 [see Breure 1978: 185].

Distribution: Chimborazo, Cerro Altar (ZMB); Cotopaxi, Cerro Cotopaxi (BMNH 1975371/1 paralectotype); Sigchos (RMNH); Napo, Cerro Antisana (BMNH 1975373/1 paralectotype of Bulimus anthisanensis Pfeiffer; BMNH 1975369/1 paralectype of Bulimus subfasciatus Pfeiffer; ZMB); Pichincha, Cayambe (BMNH); San Francisco (HMNH)*. “Quito” (CMC C11762; ZMZ 512211, as B. subfasciatus Pfeiffer). “ Ecuador ” (ZMZ 512218, 512219; ZMZ 512213, as B. subfasciatus Pfeiffer; ZMZ 512228, as B. cotopaxiensis Pfeiffer).

Remarks: As Cerro Cotopaxi forms the cross of intersection of the provinces of Cotopaxi, Pichincha and Napo, we have arbitrarily attributed the locality to Cotopaxi, not knowing on which slope the type material was taken.

101. Scutalus (Vermiculatus) cousini (Jousseaume, 1887) Type locality: “Concha”. Holotype MNHN.

Distribution:? Morona-Santiago, Conchay (MNHN). Remarks: Conchay is the only name that turns up in the GNS, that is closely resembling the original locality.

Scutalus sp.

Distribution: Azuay, Paute (FLMNH 151259); Pichincha, near Pucará (HMNH).