Anceyoconcha rhombostoma (Pfeiffer, 1861)
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https://dx.doi.org/10.3897/zookeys.948.51671 |
publication LSID |
lsid:zoobank.org:pub:20E7C613-5771-4F32-8F6C-44A7E84AFA68 |
persistent identifier |
https://treatment.plazi.org/id/773E6D49-5BCA-5F83-8110-6C8F386BBA31 |
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scientific name |
Anceyoconcha rhombostoma (Pfeiffer, 1861) |
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Anceyoconcha rhombostoma (Pfeiffer, 1861) View in CoL Figs 5D, E View Figure 5 , 12C, D View Figure 12
Bulimus rhombostomus Pfeiffer, 1861: 194, 195. Type locality: Camboja [Cambodia].
Ganesella rhombostoma : Sutcharit et al. 2019a: 61-63, figs 1c, 3c-i, 5e-g, 7d-f.
Anceyoconcha rhombostoma : Nahok et al. 2020: 82-84, figs 2b, 3c, d, 4b, 6, 7b.
Material examined.
Locality no. 9: CUMZ-CM047 (66 shells), CUMZ-CM048 (5 shells; Fig. 12C View Figure 12 ), CUMZ-CM049 (9 specimens in ethanol; Fig. 5D View Figure 5 ). Locality no. 10: CUMZ-CM060 (4 shells). Locality no. 11: CUMZ-CM085 (8 shells; Fig. 12D View Figure 12 ). Locality no. 12: CUMZ-CM113 (5 shells). Locality no. 13: CUMZ-CM132 (3 shells). Locality no. 17: CUMZ-CM139 (5 shells), CUMZ-CM140 (2 specimens in ethanol; Fig. 5E View Figure 5 ). The snails were found to live on tree trunks and leaves.
Distribution.
Cambodia, Thailand and Vietnam ( Sutcharit et al. 2019a).
Remarks.
This species was originally described from Cambodia based on the Mouhot collection and was recently revised by Sutcharit et al. (2019a) and Nahok et al. (2020) based on Thai and Cambodian specimens. These recent specimens were collected from Kampot area, southern Cambodia and tend to be variable in size and shape compared to the type specimens (see Sutcharit et al. (2019a: fig. 3c, d) for the lectotype and paralectotype, respectively). They have smaller shell size and an ovate trochoid shell, with a large last whorl which is well-rounded and keeled on the periphery for nearly the entire last whorl (Fig. 12C, D View Figure 12 indicated by an arrowhead). The aperture shape is trapezoid.
There is one subspecies " Buliminus rhombostomus var. pupoidea Dautzenberg & Fischer, 1905" described from "Cochinchine: Hong-Chon" [probably in the area of south Vietnam and Cambodia]. Unfortunately, the original description was brief, without measurements and illustrations, and the type specimen could not be located. Therefore, we could not assign the southern Cambodian specimens with certainty to this subspecific entity.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Heterobranchia |
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Anceyoconcha rhombostoma (Pfeiffer, 1861)
Sutcharit, Chirasak, Thach, Phanara, Chhuoy, Samol, Ngor, Peng Bun, Jeratthitikul, Ekgachai, Siriwut, Warut, Srisonchai, Ruttapon, Ng, Ting Hui, Pholyotha, Arthit, Jirapatrasilp, Parin & Panha, Somsak 2020 |
Bulimus rhombostomus
L.Pfeiffer 1861 |
Ganesella rhombostoma
Pfeiffer 1861 |