Revision of the Lithoglyptidae sensu Tomlinson, 1969 and Lithoglyptes Aurivillius, 1892 (Cirripedia, Acrothoracica,), including a new species from Bermuda Author Kolbasov, Gregory A. Department of Invertebrate Zoology (White Sea Biological Station), Biological Faculty, Moscow State University, Moscow 119899, Russia, e-mail: kolbasov @ soil. msu. ru Marine Biological Research Division, Scripps Institution of Oceanography, La Jolla, CA 92093 - 0202, USA, e-mail: wnewman @ ucsd. edu Author Newman, William A. text Zootaxa 2005 2005-06-30 1013 1 35 64 https://biotaxa.org/Zootaxa/article/view/zootaxa.1013.1.3 journal article 10.11646/zootaxa.1013.1.3 1175­5334 5049212 09072535-2701-4A27-AA94-0159EBE871E9 Key to the genera and species of Lithoglyptinae (four pairs of terminal cirri plus caudal appendages). 1 Caudal appendages each of two segments plus a pedestal............................................ 2 ­ Caudal appendages each of two segments but without a pedestal ..... 6 ( Armatoglyptes ) 2 Opercular bars without well­developed posterior projections, operculum with short posterior lobes or rudiments thereof.......................................................3 ( Lithoglyptes ) ­ Opercular bars with hooked posterior projections, operculum with long, articulated posterior setose lobes (auricles) .................................................. Auritoglyptes bicornis 3 Opercular bars armed with bifid teeth ............................................................. L. ivanovi ­ Opercular bars lacking bifid teeth, with simple teeth and/or small denticles ............... 4 4 Posterior lobes of operculum well developed ............................................................... 5 ­ Posterior lobes of operculum rudimentary ...................................................... L. indicus 5 Proximal end of mantle attenuated, extending to point of initial attachment ................. .................................................................................................................. L. tectoscrobis ­ Proximal end of mantle not extending to initial point of attachment ............... L. viatrix 6 Opercular bars asymmetrical, one with a medial projection ................ A. scamborachis ­ Opercular bars symmetrical .......................................................................................... 7 7 Orificial knob with conspicuous teeth........................................................................... 8 ­ Orificial knob without teeth, or absent.......................................................................... 9 8 Posterior projections of opercular bars straight, without long recurved hooks or spines ............................................................................................................................. A. mitis ­ Posterior projections recurved or straight, but when straight with long anterior, recurved spines .................................................................................................. A. habei 9 Posterior projections of opercular bars decurved in adults ........................................ 10 ­ Posterior projections of opercular bars recurved anteriorly or straight in adults ....... 11 10 Posterior projections equal to or greater than the length of opercular bars .................... ................................................................................................................. A. balanodytes ­ Posterior projections less than the length of opercular bars ......................... A. cornutus 11 Opercular bars with upturned anterior ends .............................. A. wilsoni ( Koror form) ­ Opercular bars without upturned anterior ends .......................................................... 12 12 Opercular bars each with a small elevation at 1/3 of length from anterior end ............. ........................................................................................................................ A. thomasi ­ Opercular bars straight, without such an elevation ..................................................... 13 13 Posterior projections of opercular bars straight, without curved spines near tip ....... 14 ­ Posterior projections of opercular bars decurved, usually with 1–2 curved spines near tip (often broken off in adults) ........................................................................... A. stirni 14 Posterior projections of opercular bars with several longitudinal rows of curved teeth. .................................................................................................................. A. echinoideus ­ Posterior projections of opercular bars without longitudinal rows of curved teeth ....... ......................................................................................................................... A. egorovi