Homoeogammarus, SCHELLENBERG, 1937
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publication ID |
https://doi.org/ 10.1111/zoj.12318 |
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persistent identifier |
https://treatment.plazi.org/id/5B72879F-CF26-FFFA-AEA1-168509073F63 |
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treatment provided by |
Marcus |
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scientific name |
Homoeogammarus |
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GENUS HOMOEOGAMMARUS SCHELLENBERG, 1937 View in CoL , WITH THE TYPE SPECIES GAMMARUS SIMONI CHEVREUX, 1894
Diagnosis
Peri-Mediterranean, gammariform amphipods. Pereon and pleon dorsally smooth, seldom with dorsal keels or teeth. Each telson lobe less than twice as long as broad. Antennae I and II normal, with slender peduncle articles, anntena II shorter or (seldomly) subequal to antenna I. Antena II with short or long, dense or sparse, straight setae. Excretory cone generally short. Mouth parts as in Gammarus ; outer lobe of maxilla I with ∼11 spines, palps asymmetric. Gnathopods I and II subchelate, propodus II longer than, seldom equal to, propodus I. Coxal plate IV distoposteriorly lobate. Pereopod VII basis without a distoposterior lobe. Uropods I and II usually normal, with distal and lateral spines. Uropod III exopodite with marginal groups of spines, usually accompanied by long setae that are always straight; endopodite reduced and scale-like, with terminal spine(s) only (without facial or marginal spines).
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