_Benson_, Ann. Nat. Hist. 1853 (xii.)
Achatina nitens, _Gray_, Spicilegia Zool.
inornata, _Pfeiff_. Monog. Helic.
capillacea, _Pfeiff_. Monog, Helic.
Ceylanica, _Pfeiff_. Monog. Helic.
Punctogallana, _Pfeiff_. Monog. Helic.
pachycheila, _Benson_.
veruina, _Bens_. Ann. Nat. Hist. 1853 (xii.)
parabilis, _Bens_. Ann. Nat. Hist 1856 (xviii.)
Succinea Ceylanica, _Pfeiff_. Monog. Helic.
Auricula Ceylanica, _Adams_, Proc. Zool. Soc. 1854.[29]
Ceylanica, _Petit_, Proc. Zool Soc. 1842.[30]
Layardi, _Adams_, Proc. Zool. Soc. 1854.[31]
pellucens, _Menke_, Synopsis Moll.
Pythia Ceylanica, _Pfeiff_. Zeitschr. Malacoz. 1853.
ovata, _Pfeiff_. Proc. Zool. Soc. 1854.
Truncatella Ceylanica, _Pfeiff_ Proc. Zool. Soc. 1856.
Cyclostoma (_Cyclophorus_) Ceylanicum, _Sowerby_, Thes. Conch.
involvulum, _Mueller_, Verm. Terrest.
Menkeanum, _Philippi_, Zeitsch. Mal. 1847.
punctatum, _Grateloup_. Act. Lin. Bordeaux (xi.)
Loxostoma, _Pfeiff_. Monog. Pneumon.
alabastrum, _Pfeiff_. Monog. Pneumon.
Bairdii, _Pfeiff_. Monog Pneumon.
Thwaitesii, _Pfeiff_. Monog. Pneumon.
annulatum, _Troschel_, in Pfeiff. Mon. Pneumon.
parapsis, _Bens_. Ann. Nat. Hist 1853 (xii.)
parma, _Bens_. Ann. Nat Hist. 1856 (xviii.)
cratera, _Bens_. Ann. Nat. Hist 1856 (xviii.)
(_Leptopoma_) halophilum, _Benson_, Ann. Nat. Hist.
(ser. 2. vii.) 1851.
orophilum, _Bens_. Annals Nat. Hist. (ser. 2. xi.)
apicatum, _Bens_. Ann. Nat Hist 1856 (xviii.)
conulus, _Pfeiff_. Proc. Zool. Soc. 1854.
flammeum, _Pfeiff_. Monog. Pneumon.
semiclausum, _Pfeiff_. Monog. Pneumon.
poecilum, _Pfeiff_. Monog. Pneumon.
elatum, _Pfeiff_. Monog. Pneumon.
Cyclostoma _(Aulopoma)_.
Itieri, _Guerin_, Rev. Zool. 1847.
helicinum, _Chemn_. Conch. Cab.
Hoffmeisteri, _Troschel_, Zeitschr. Mal. 1847.
grande, _Pfeiff_. Monog. Pneumon.
spheroideum, _Dohrn_, Malak. Blaetter.
(?) gradatum, _Pfeiff_. Monog. Pneum.
Cyclostoma (_Pterocyclos_).
Cingalense, _Bens_. Ann. Nat Hist. (ser. 2. xi.)
Troscheli, _Bens_. Ann. Nat. Hist 1851.
Cumingii, _Pfeiff_. Monog. Pneumon.
bifrons, _Pfeiff_. Monog. Pneumon.
Cataulus Templemani, _Pfeiff_. Mon. Pneu.
eurytrema, _Pfeiff_. Proc. Zool. Soc. 1852.
marginatus, _Pfeiff_. Proc. Zool. Soc. 1853.
duplicatus, _Pfeiff_. Proc. Zool. Soc. 1854.
aureus, _Pfeiff._ Proc. Zool. Soc. 1855.
Layardi, _Gray_, Proc. Zool. Soc. 1852.
Austenianus _Bens._ Ann. Nat. Hist. 1853 (xii.)
Thwaitesii