TABLE 1 in Capropodocerus, a new genus in Podoceridae (Crustacea: Amphipoda) from Japan, with descriptions of two new species

TABLE 1. List of morphological characters that distinguish the nine podocerid genera, except that Cyrtophium and Podocerus might be discriminated by as-yet-unknown characters (Hughes 2016). APa, antenna-1 peduncular article; A1, antenna 1; A1-AF, antenna-1 accessory flagellum; L, length; LR, length ratio; P, pereonite; Pp, pereopod; W, width.
CharactersCapropodocerusCyrtophiumLaetmatophilusLeipsuropusNeoxenodiceParunciolaPodobothrusPodocerusXenodiceP1–3Cylindrical, elongateDepressed, not elongateDepressed, not elongateDepressed, not elongateCylindrical, elongateCylindrical, not elongateDepressed, not elongateDepressed, not elongateCylindrical, not elongateP4–6DepressedDepressedDepressedDepressedCylindricalCylindricalDepressedDepressedCylindricalP1 L> head L head L 2ca 1ca 1ca 1ca 1ca 1ca 1ca 1ca 1Urosome3 segments3 segments2 segments3 segments3 segments3 segments3 segments3 segments3 segmentsLR APa2/1<3<2<2<2<2<2.5> 3<2.5<2.5A1-AF1 article, L=W1 article, L=WAbsent1 article, L=W1 article, L>W5 articles, L>W1 article, L>W1 article, L>W3–7 articles, L>WPp 3–7SimilarSimilarSimilarSimilarPp 3, 4 reducedSimilarSimilarSimilarSimilarUropods2 pairs3 pairs2 pairs2 pairs3 pairs3 pairs3 pairs3 pairs3 pairsUropod 31 article1 article1 article1 article1 article2 articles1 article1 article1 article