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, Pfeiff. Proc. Zool. Soc. 1852.
Cumingii, Pfeiff, Proc. Zool. Soc. 1856.
decorus, Bens. Ann. Nat. Hist. 1853.
haemastoma, Pfeiff. Proc. Zool. Soc. 1856.
Planorbis Coromandelianus, Fabric, in Dorhrn’s MS.
Stelzeneri, Dohrn, Proc. Zool. Soc. 1858.
elegantulus, Dohrn, Proc. Zool. Soc. 1858.
Limnaea tigrina, Dohrn, Proc. Zool.
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, Pfeiff. Proc. Zool. Soc. 1852.
Cumingii, Pfeiff, Proc. Zool. Soc. 1856.
decorus, Bens. Ann. Nat. Hist. 1853.
haemastoma, Pfeiff. Proc. Zool. Soc. 1856.
Planorbis Coromandelianus, Fabric, in Dorhrn’s MS.
Stelzeneri, Dohrn, Proc. Zool. Soc. 1858.
elegantulus, Dohrn, Proc. Zool. Soc. 1858.
Limnaea tigrina, Dohrn, Proc. Zool.