New insights gained from museum collections: Deep-sea barnacles (Crustacea, Cirripedia, Thoracica) in the Museum National d'Histoire Naturelle, Paris, collected during the Karubar expedition in 1991 Author Pitriana, Pipit Museum fuer Naturkunde - Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115, Berlin, Germany & Research Centre for Deep-sea, Indonesian Institute of Science (LIPI), Jl Y Syaranamual, Poka, Tlk. Ambon, Kota Ambon, Maluku, Indonesia & Institute of Geological Sciences, Freie Universitaet Berlin, Malteserstrasse 74 - 100 Building C and D, 12249, Berlin, Germany pipit.pitriana@mfn.berlin Author Jones, Diana S. The Western Australian Museum, 49 Kew Street, Welshpool WA 6106, Locked Bag 49, Welshpool DC WA 6986, Australia Author Corbari, Laure Museum national d'Histoire naturelle, Institut de Systematique, Evolution, Biodiversite ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE, 57 rue Cuvier, CP 26, 75005, Paris, France https://orcid.org/0000-0002-3323-6162 Author Rintelen, Kristina von Museum fuer Naturkunde - Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115, Berlin, Germany https://orcid.org/0000-0003-4167-3570 text Zoosystematics and Evolution 2020 96 2 649 698 http://dx.doi.org/10.3897/zse.96.55733 journal article http://dx.doi.org/10.3897/zse.96.55733 1860-0743-2-649 DF25E94FEDEC4FD4BA1DE4AC288282AD 4C0AB21B0CEE5A699C8EE3B3C068C76B Genus Dichelaspis Darwin, 1852 Dichelasmis Darwin, 1852: 115. Heptalasmis . Agassiz, 1842: 178. Octolasmis Gray, 1825: 100. - Pilsbry 1907a : 93. Diagnosis. Capitulum with five plates; scutum with two distinct segments, united at rostral angle; carina generally extending up between terga, terminating downwards as imbedded disc (fork- or cup-shaped). Type species. Octolasmis warwicki Gray, 1825: 100. - 1830: pl. VI, fig. 16.