Eatoniella denticula Ponder & Worsfold, 1994

Luca, Javier Di & Zelaya, Diego G., 2019, Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity, Zootaxa 4544 (1), pp. 41-78 : 53

Eatoniella denticula Ponder & Worsfold, 1994

Fig. 3E

Eatoniella (Eatoniella) denticula Ponder & Worsfold, 1994: 7 , figs. 5b, c, 6c, 7b, c, 8b, f–g (protoconch and radula)

Examined material. 34 an. and 111 sh. (MACN-In 40670)

Description. Shell height to 2.5 mm; elongate-conical, moderately solid. Protoconch of about 1 whorl; transition to teleoconch poorly defined. Teleoconch of up to 4.25 whorls, almost straight in outline; last whorl comprising about 65% of total shell height, somewhat more inflated than previous whorls. Suture impressed. Surface whitish, translucent in well preserved specimens; only sculptured with faint growth lines. Aperture ovate, interior white; columellar callus narrow, slightly reflected. Umbilicus very narrow or absent. Operculum ovate, paucispiral; yellowish, translucent.

Figures

FIGURE 3. A. Eumetula cf. dilecta Thiele, 1912, MACN-In 40680, scale bar = 1 mm. B. Newtoniellidae sp. 1, MACN-In 40678, scale bar = 1 mm. C. Newtoniellidae sp. 2, MACN-In 40679, scale bar = 1 mm. D. Trochita pileolus (d´Orbigny, 1841), MACN-In 40669, scale bar = 2 mm. E. Eatoniella denticula Ponder & Worsfold, 1994, MACN-In 40670, scale bar = 1 mm. F. Tectonatica impervia (Philippi, 1845), MACN-In 40671, scale bar = 2 mm. G. Onoba fuegoensis (Strebel, 1908), MACN-In 40672, scale bar = 1 mm. H. “Anomacme” multituberculata Castellanos, Rolán & Bartolotta, 1987, MACN-In 40682, scale bar = 1 mm. I. Antistreptus magellanicus Dall, 1902, MACN-In 40681, scale bar = 1 mm. J. Microdeuthria michaelseni (Strebel, 1905), MACN-In 40684, scale bar = 2 mm. K. Pareuthria fuscata (Bruguière, 1789), MACN-In 40683, scale bar = 5 mm.