TABLE 2 in The remarkable Ponto-Caspian amphipod diversity of the lower Durso River (SW Caucasus) with the description of Litorogammarus dursi gen. et sp. nov.

TABLE 2. Morphological comparison between Litorogammarus gen. nov. and related genera. The terms “short” and “long” are defined as shorter or longer than the underlying segment, respectively.
CharacterLitorogammarus gen. nov.ChaetogammarusSpirogammarusDinarogammarusEchinogammarusPectenogammarus (= Homoeogammarus)IberogammarusMarinogammarusParhomoeogammarusRelictogammarusAI setationSparse, short/ longSparse, shortSparse, shortSparse, shortSparse, shortSparse, short/longSparse, shortSparse/dense, short/longSparse, shortSparse, shortAI acc. flag. articles4–82–8Up to 9Up to 65–6445–954AII setationDense, long, curledDense, long, straight/curled/ coiledDense, long, coiledDense/sparse, long straightSparse/ dense, short/ moderately long, straightDense/sparse, long, straightDense, long, straight/curledDense, short/ long, straightSparse/dense, shortSparse, short, straightCalceoliAbsentAbsentAbsentAbsentAbsentAbsent/presentAbsent?Absent/ presentAbsent/presentAbsentHead lobesStraight, roundedAcute/straightStraightStraightStraight, roundedRounded, straight, acuteStraightRounded/ straightStraight/roundedRoundedGI vs. GII propodusShorterShorterSubequalShorterShorterShorterLongerLongerShorter/subequalLongerPIII setationSparse, shortDense/sparse/ short/long, straight/curly/ coiledDense, long, coiledDense, moderately long, straightDense, long, straight/curledDense/sparse short/ long, straight/curledModerately dense, long, straightAbsent/ sparse/dense, short/long, straightDense, long, straightAbsent/weakPV–VII setationSparseSparseSparseWell-developedWell-developedSparse /well- developedSparse to moderateAbsent/ SparseModerately developedAbsent/ SparsePleosomitesBare/small setulesBare/small setulesBare/small setulesBare/small setulesWell-developed setation/small setules/spinesBare/small setulesBare/small setulesBareBare/small setules/ toothedBare/small setulesUrosomitesDominated by spinesDominated by spinesDominated by spinesDominated by spinesDominated by long setaeSpines and setae/ dominated by spinesSpines and setaeDominated by spinesSpines and setaeDominated by spinesEpimeres II–III dist. edgeWith spinesWith spinesWith spinesWith spinesWith long setaeWith setaeWith spinesWith spinesWith spinesWith spinesUIII exopod setationModerately developedAbsent/well developedWell-developedModerately developedWell-developedModerately to well- developedAbsent to moderateWeak to well- developedWell-developedAbsent/weakUIII endopod setationAbsentAbsentAbsent/well developedModerateModerately to well-developedModerately to well- developedModerateModerate to well- developedModerateAbsentTelsonLonger than broad, lobes gradually taperingAs long as broad, lobes abruptly tapering/longer than broad, lobes gradually taperingAs long as broad, lobes abruptly taperingLonger than broad, lobes gradually taperingAs long as broad, lobes abruptly taperingAs long as broad, lobes abruptly tapering/longer than broad, lobes gradually taperingLonger than broad, lobes gradually taperingLonger than broad, lobes gradually taperingSlightly longer/as long as broad, lobes abruptly taperingLonger than broad, lobes gradually tapering
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TABLE 2.