[Lepas anserifera]. Poli. Test. Utriusque Scicil., vol. i, Pl. vi, figs. 25-27.
——— sulcata. Montagu. Test. Brit., Pl. i, fig. 6, 1803.
Pentalasmis sulcata. Leach. Encyclop. Brit. Suppl., tom. iii, Pl. lvii, 1824.
——————— spirulæ (!) (var.) Leach. Tuckey’s Congo Expedit. Appendix, 1818.
——————— radula (var.) et sulcatus. Brown. Illust. of Conchology, Pl. li, figs. 3-6, 1844.
——————— inversus. Chenu. Illust. Conchy., Pl. i, fig. 14.
Anatifa sulcata. Quoy et Gaimard. Voyage de l’Astrolabe, Pl. xciii, figs. 18, 20.[28]
[28] I may add, that I have received many specimens incorrectly labelled A. striata, which is properly a synonym of L. anserifera.
L. valvis tenuibus, crassè sulcatis, sæpe pectinatis; scutorum cristâ prominente ab umbone ad apicem juxta marginem occludentem pertinente: furcæ carinalis cruribus inter angulos 135° et 180° divergentibus.
Valves thin, coarsely furrowed, often pectinated. Scuta with a prominent ridge extending, from the umbo to the apex, close to the occludent margin; fork of the carina with the prongs diverging at an angle of from 135° to 180°.