
510 RECORDS OF THE S.A. MusEUM 
KEY TO GENERA OF MAURITIINAE, 
a. Base well spreading . “r - v6 v6 ae ve 1, Mauritia 
aa. Base weir atid spreading, 
b. Spotted . " ta xe a4 #2 is . Trona 
bb. Reticulate . 26 = 24 25 - $4 a: .. Arabica 
Subfamily Erosariae, 
Forty millimetres in length or less; pyriform to ovate; extremities slightly 
or not produced ; not umbilicate; typically marginally blotched, spotted or peri- 
pherally ringed or obscurely banded; smooth or tuberculose; teeth coarse, not 
produced across the base; margin calloused ; base fattened and spreading. Genera 
are: Hrosarial Troschel, 1863, Cypraed erosa Linndé, 1758; Ravitrona Tredale, 1980, 
Cypraea capuiserpentis Linné, 1758. Pseudozonaria ‘Schilder, 1927, Cypraea 
arebicula Lamarek, 1810. Monetaria Troschel, 1863, Cypraca moneta Linné, 1758 
= Aricia Broderip, 1837, Cypraea moneta Linné, 17 58 = mercatoria Melvill, 1888. 
Ornamentaria Schilder, "1936, Cypraea annulus Linné, 1758, The holotype of 
Cypraea kawilan Kenyon D, 3781 is in the South Australian Museum, It has been 
considered a variety of helvola, but it is Hawaiian subspecies of erosa, 
KEY TO GENERA OF EROSARIINAE, 
a, Spotted colour pattern. 
b. Extremities slightly produced .. xs ve as as .. Brosaria 
bb, Extremities not produced, 
«. Unicoloured brown margin .. Li ra a4 i .. Ravitrona 
ec. Spotted margin 3% J. i a6 a. = -- Psewlozgonaria 
aa. Not spotted pattern, 
ad. Not peripherally ringed with orange . 7 le -. Monetaria 
dd. Peripherally ringed with orange : " va +» Ornamentaria 
Subfamily CypRazINag. 
One hundred millimetres in length or less; ovate, inflated; extremities 
slightly produced; not umbilicate; spotted, banded map-like pattern or uni- 
coloured; smooth; teeth course, not produced across the base; margin not cal- 
loused.; base rounded. Genera are: Cypraca Linné, 1758 = Porcellana Mumphrey, 
1797 (not Jousseaume, 1884) — Tigris Troschel, 1868 = Vulgusella Jousseaume, 
1884, Cypraea tigris Linné, 1758, Pantherinaria Sacco, 1894, Cypraea pantherina 
Solander, 1786. Leparicypraea L[redale, 1930, Cypraea mappa Linné, 1758, 
Lyneina Troschel, 1863, Cypraea vanelli Linné, 1758 = Cypraea lynz Linné, 1758. 
Callistocy praca. Schilder, 1927, Cypraea aurantium Gmelin, 1791. Mystaponda 
Tredale, 1930, Cypraea vitellus Linné, 1758, Ponda Jousseaume, 1884, Cypraea 
achatina, Perry, 1811 = ventriculus Lamarck, 1810. For Cypraca leucodon 
Broderip, 1828, we designate South Africa as type locality. 
KEY TO GENERA OF CYPRAEINAE. 
a. Spotted. 
b, Margin not lined, 
e. Teath without red interstices. 
4d. Spota large pat 4 + ou ‘= — -- Cypraea 
dd. Spots amall =< ine os a ioe .- Pantherinaria 
co, Taeth with red interstices ve te a «4 i< +- Lyncina 
bb. Margin lined 2 t is 7 te ve A ..» Mystanponda 
aa, Pattern not spotted. 
e. Pattern map-like ,, we ; A a .. Leporteypraea 
ee. Pattarn not map-like. 
f. Wnieoloured orange, margin not Tied ms .. Callistocypraea 
, Not unicoloured; margin lined " om -- Ponda 
