Afrodonta, Melvill & Ponsonby, 1908

Herbert, David G., 2020, Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies, European Journal of Taxonomy 629, pp. 1-55 : 4-5

publication ID

https://doi.org/10.5852/ejt.2020.629

publication LSID

lsid:zoobank.org:pub:ECEBD539-6E3E-45BE-A0CB-264DF3270CC0

DOI

https://doi.org/10.5281/zenodo.3804705

persistent identifier

https://treatment.plazi.org/id/03C78785-460F-FFC6-40BF-46CD344EFC5A

treatment provided by

Valdenar

scientific name

Afrodonta
status

 

Key to species of Afrodonta

1 Parietal dentition absent ..................................................................................................................... 2 – Parietal dentition present ................................................................................................................... 3

2 Palatal region with a thin, upwardly angled, trigonal lamella; baso-columellar region with two denticles, one much smaller than the other ................ Af. inhluzaniensis leptolamellaris subsp. nov.

– Palatal region with a stout lamella; baso-columellar region with a single well-developed denticle ................................................................. Af. inhluzaniensis inhluzaniensis ( Burnup, 1912)

3 Parietal region with a single denticle/lamella .................................................................................... 4 – Parietal region with two denticles/lamellae ....................................................................................... 6

4 Aperture lacking further dentition .................................................. Af. unilamellaris Connolly, 1933 – Palatal and/or baso-columellar dentition present ............................................................................... 5 5 Palatal region lacking dentition or if present then parietal lamella strong and posteriorly bifid ................................................................................. Af. bilamellaris Melvill & Ponsonby, 1908

– Palatal region with additional dentition, parietal lamella simple .......................... Af. mystica sp. nov.

6 Aperture lacking further dentition or with only a weak baso-columellar denticle .............................. .................................................................................................................... Af. connollyi Solem, 1970

– Palatal dentition present ..................................................................................................................... 7

7 Parietal lamellae weak; palatal region with 1–3 axially aligned pairs of rounded denticles; no baso- columellar dentition ..................................................................................... Af. geminodonta sp. nov.

– Parietal lamellae well developed; baso-columellar region with a well-developed denticle. ............. 8

8 Palatal region with a single rounded, thickened, sub-peripheral nodule, plus a narrow, deep-set, subsutural denticle ............................................................................................. Af. pentodon sp. nov.

– Palatal region with three or more in-running, ridge-like denticles .................................................... 9

9 Palatal region with three denticles ........................................................ Af. farquhari ( Burnup, 1912) – Palatal region with 6–7 denticles .............................................. Af. novemlamellaris ( Burnup, 1912)