<i>Stapafurdius</i>, a new genus of Bulimulidae (Mollusca, Eupulmonata) from Bahia, Brazil, with two new species

The new genus Stapafurdius gen. nov. is introduced collected from Bahia, Brazil, including two new species: S. glaber sp. nov., the type species, occurs in Ibicoara; and S. costiferus sp. nov., from Andaraí regions. The new genus includes species of about 10 mm, elongated shell, reticulated protoconch, elongated peristome, and wide umbilicus. Both species differ mainly by the sculpture, as S. glaber sp. nov. is smooth, while S. costiferus sp. nov. has strong axial sculpture. http://zoobank.org/C851695E-6BF1-4418-8D8A-8BC7D10CC2FE.

Keywords.
Taxonomy; Faunistic survey; Morphology; Malacology.

Authorship

Luiz Ricardo L. Simone

Universidade de São Paulo (USP), Museu de Zoologia (MZUSP). São Paulo, SP, Brasil.org/E-mail: lrsimone@usp.brUniversidade de São PauloBrasilSão Paulo, SP, BrasilUniversidade de São Paulo (USP), Museu de Zoologia (MZUSP). São Paulo, SP, Brasil.org/E-mail: lrsimone@usp.br

http://orcid.org/0000-0002-1397-9823

Edited by: Marcelo Veronesi Fukuda

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (4)

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Figures 1-12
Stapafurdius glabersp. nov., shell of types. (1-6) Holotype MZSP 154048 (L 10.5 mm). (1) frontal view. (2) right view. (3) dorsal view. (4) inferior view. (5) protoconch and first teleoconch, profile, scale = 1 mm. (6) apical view. (7-8) paratype MZSP 154047#1 (L 10.2 mm), frontal and dorsal views. (9-10) paratype MZSP 153803#1 (L 11.0 mm): frontal and dorsal views. (11-12) paratype MZSP 154047#3, immature shell (L 7.5 mm), (11) frontal view. (12) detail of protoconch and first teleoconch whorl, profile, scale = 1 mm.

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Figures 13-23
Stapafurdius costiferussp. nov., shell of types. (13-17) Holotype MZSP 154046 (L 12.0 mm). (13) frontal view. (14) right view. (15) dorsal view. (16) inferior-slightly left view. (17) apical view. (18) protoconch and first teleoconch, profile, scale = 1 mm. (19-20) Paratype MZSP 153882#1 (L 11.1 mm): dorsal and frontal views. (21) holotype, detail of sculpture of penultimate whorl, scale = 1 mm. (22-23) paratype MZSP 153882#3 (L 9.8 mm). (22) frontal view. (23) protoconch and first teleoconch, profile, scale = 1 mm.

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Figures 24-29
Stapafurdiusgen. nov. young shell SEM images. (24) S. glaber sp. nov. paratype MZSP 154047, whole dorsal view, scale = 1 mm. (25) same, detail of apical region, dorsal-slightly apical view, scale = 500 µm. (26) same, detail of transition protoconch-teleoconch, scale = 100 µm. (27) S. costiferus sp. nov. paratype MZSP 153882, whole dorsal view, scale = 1 mm. (28) same, detail of apical region, dorsal-slightly apical view, scale = 500 µm. (29) same, detail of protoconch and first teleoconch whorl, scale = 200 µm.

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Figure 30
Map of Brazil with states outlined. Bahia indicated by “BA”, with indication of places of occurrence of Stapafurdius glaber sp. nov. (1 = Ituaçu) and of S. costierus sp. nov. (2 = Ubiraitá).

Figures 1-12 Stapafurdius glabersp. nov., shell of types. (1-6) Holotype MZSP 154048 (L 10.5 mm). (1) frontal view. (2) right view. (3) dorsal view. (4) inferior view. (5) protoconch and first teleoconch, profile, scale = 1 mm. (6) apical view. (7-8) paratype MZSP 154047#1 (L 10.2 mm), frontal and dorsal views. (9-10) paratype MZSP 153803#1 (L 11.0 mm): frontal and dorsal views. (11-12) paratype MZSP 154047#3, immature shell (L 7.5 mm), (11) frontal view. (12) detail of protoconch and first teleoconch whorl, profile, scale = 1 mm.

Figures 13-23 Stapafurdius costiferussp. nov., shell of types. (13-17) Holotype MZSP 154046 (L 12.0 mm). (13) frontal view. (14) right view. (15) dorsal view. (16) inferior-slightly left view. (17) apical view. (18) protoconch and first teleoconch, profile, scale = 1 mm. (19-20) Paratype MZSP 153882#1 (L 11.1 mm): dorsal and frontal views. (21) holotype, detail of sculpture of penultimate whorl, scale = 1 mm. (22-23) paratype MZSP 153882#3 (L 9.8 mm). (22) frontal view. (23) protoconch and first teleoconch, profile, scale = 1 mm.

Figures 24-29 Stapafurdiusgen. nov. young shell SEM images. (24) S. glaber sp. nov. paratype MZSP 154047, whole dorsal view, scale = 1 mm. (25) same, detail of apical region, dorsal-slightly apical view, scale = 500 µm. (26) same, detail of transition protoconch-teleoconch, scale = 100 µm. (27) S. costiferus sp. nov. paratype MZSP 153882, whole dorsal view, scale = 1 mm. (28) same, detail of apical region, dorsal-slightly apical view, scale = 500 µm. (29) same, detail of protoconch and first teleoconch whorl, scale = 200 µm.

Figure 30 Map of Brazil with states outlined. Bahia indicated by “BA”, with indication of places of occurrence of Stapafurdius glaber sp. nov. (1 = Ituaçu) and of S. costierus sp. nov. (2 = Ubiraitá).

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<i>Stapafurdius</i>, a new genus of Bulimulidae (Mollusca, Eupulmonata) from Bahia, Brazil, with two new species

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[1] Edited by: Marcelo Veronesi Fukuda