Figs 1C, 7D
Proceros velutinus Blanchard, 1847: 273, pl. 8, fig. 2; pl. 9, fig. 1.
Eurylepta velutina – Diesing 1850: 210; 1862: 548. — Stimpson 1857: 2. — Schmarda 1859: 26. — Diesing 1862: 548.
Pseudoceros velutinus – Lang 1884: 538–539, pl. 5, fig. 4.
CAPE VERDE • 1 spec.; São Vicente Island, Baía das Gatas; 16°54′09.33″ N, 24°54′25.25″ W (Fig. 1C V 2); 5 May 2017; Leopoldo Moro leg.; RCCN.
Gulf of Genova, Italy (type locality) (Blanchard 1847); Suez Canal, Egypt (Palombi 1928); Rovigno, Croatia (Vàtova 1928); Canary Islands (Cuadrado et al. 2017).
Baía das Gatas, S„o Vicente, Cape Verde.
Pseudoceros velutinus is known for its velvety black pigmentation, but the coloration varies with transmitted or reflected light. Fig. 7D shows the appearance of P. velutinus with transmitted light.