Seven new genera and thirty-four new species of buccinoid gastropods (Neogastropoda: Buccinidae) from the Aleutian Islands, Alaska Author Mclean, James H. Author Clark, Roger N. text Zootaxa 2023 2023-09-26 5351 2 151 201 http://dx.doi.org/10.11646/zootaxa.5351.2.1 journal article 270509 10.11646/zootaxa.5351.2.1 b3b05d51-3aeb-49c7-bbc1-0365bc92c886 1175-5326 8391375 F34F6B3C-F251-4D8E-B002-A96BD70CA1BE Genus Exiloberingius n. gen. urn:lsid:zoobank.org:act: 22EAA94C-CE59-4729-86BF-39B49BF46D57 Diagnosis: shell pyriform, canal short, shell extremely thin, fragile, reinforced with thicker interior deposition along the columella and final lip; periostracum fibrous in thick axial ridges below suture; axial and spiral sculpture weak or lacking. Type species: Exiloberingius fragilis McLean & Clark , n. sp. (HD). Remarks: differs from all other Beringiinae by the excessively thin, poorly calcified shell, and the thick, fibrous periostracum. One Aleutian species.