Afrodonta, Melvill & Ponsonby, 1908
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 |
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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)
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SubClass |
Heterobranchia |
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SuperFamily |
Punctoidea |
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