Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity
Author
Luca, Javier Di
Author
Zelaya, Diego G.
text
Zootaxa
2019
2019-01-10
4544
1
41
78
journal article
27685
10.11646/zootaxa.4544.1.2
2f89f82f-be57-45b4-ad3c-ed72a7647551
1175-5326
2618137
211842AA-6C98-425B-9377-1AF0DC78C893
Pareuthria fuscata
(
Bruguière, 1789
)
Fig. 3K
Buccinum fuscatum
Bruguière, 1789
: 282
Pareuthria fuscata
—
Powell, 1951
: 132
;
Pastorino, 2016
: 304
, figs. 1A–Q, 2A–G (synonymy, protoconch and radula)
Examined material.
8 sh. (MACN-In 40683).
Description.
Shell height to
28.5 mm
(up to
44.6 mm
according to
Pastorino 2016
); fusiform, solid. Protoconch of about 1 convex whorl; transition to teleoconch poorly defined. Teleoconch of up to 5 whorls, slightly convex in outline, with a very weak shoulder; last whorl comprising about 70% of total shell height. Suture impressed. Surface grayish, with a narrow, diffuse, clear band below the suture; sculptured with weak spiral threads, more evident at the base; in addition, faint growth lines are evident along all teleoconch whorls. Aperture ovate, interior dark brown, with margin white; columellar callus moderately thick, slightly expanded over the base; siphonal canal short, almost straight, wide.