Castaneobuccinum Mclean & Clark 2023, n. gen. ...

• Main Authors: Mclean, James H., Clark, Roger N.
• Format: Text
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Neogastropoda; Buccinidae; Castaneobuccinum; Alaska; Aleutian Islands
• Online Access: https://dx.doi.org/10.5281/zenodo.8399649; https://zenodo.org/record/8399649

Genus Castaneobuccinum n. gen. urn:lsid:zoobank.org:act: F667ACB5-7A95-4E0F-AAF4-5FD12D0BA7F5 Type species: Buccinum castaneum Dall, 1877 (n. comb.) Description: Profile tall, moderately broad, whorls rounded, suture deeply impressed, color light to dark chestnut brown (rarely white); shell surface devoid of periostracum, shell thick and heavy, the result of a calcitic exterior layer; with sharply incised, spiral microsculpture, with or without initial carination in early teleconch; final lip inflated, heavily reinforced, with broad anal sinus on shoulder. Operculum with concentric growth, nearly filling aperture. Remarks: Three previously described varieties of Buccinum castaneum are herein regarded as distinct species Based on morphology and sympatric distribution, and placed in Castaneobuccinum . Buccinum castaneum (Figs. 20 F–H), which lacks axial sculpture or has only weakly indicated axial folds near the suture, Buccinum castaneum var. triplostephanum Dall, 1919 (Figs. 20 K–L) lacks axial sculpture, ... : Published as part of Mclean, James H. & Clark, Roger N., 2023, Seven new genera and thirty-four new species of buccinoid gastropods (Neogastropoda: Buccinidae) from the Aleutian Islands, Alaska, pp. 151-201 in Zootaxa 5351 (2) on page 193, DOI: 10.11646/zootaxa.5351.2.1, http://zenodo.org/record/8391375 ...