3468 Author Komai, Tomoyuki text Zootaxa 2012 2012-09-07 3468 1 77 journal article 1175­5334 EE4EEEF8-6F05-4B6F-A433-19FC9513E31E Metacrangon munita species group Diagnosis. Carapace with one or two small to moderately large middorsal teeth (size of teeth unequal or subequal); anterior tooth, if present, usually epigastric in position (except for M. robusta ); branchial carina absent. Anterior four abdominal pleura rounded. Dactyli of fourth and fifth pereopods subspatulate or spatulate, always naked on margins. Composition. Metacrangon acclivis , M. asiaticus , M. australis , M. clevai n. sp. , M. cornuta , M. holthuisi , M. karubar n. sp. , M. laevis , M. longirostris , M. miyakei , M. monodon , M. munita , M. nipponensis , M. obliqua n. sp. , M. proxima , M. poorei , M. richardsoni , M. robusta , M. sinensis , M. spinirostris , M. trigonorostris , M. tropis n. sp. , M. tsugaruensis n. sp. , and M. variabilis . Remarks. As noted above, the monophyly of this informal species group is unclear, as no autapomorphic characters could be identified.