Fig. 33 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean

Fig. 33. Herpetopoma helix (Barnard, 1964): (A) adult microsculpture of cleaned shell, SE of Cape Vidal, KZN, bar = 250 µm (NMSA E7514); (B) uncleaned shell with thick intritacalx deposit, off Mtamvuna River, Eastern Cape, bar = 250 µm (NMSA E224); (C) protoconch and juvenile microsculpture, SE of Cape Vidal, KZN, bar = 200 µm (NMSA E7154); (D, E) radula, SE of Green Point, KZN (NMSA D5990): (D) central field and right marginals, bar = 50 µm; (E) central field and pectinate cusps of inner marginals, bar = 25 µm.