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- W2074489234 abstract "During research in coastal marshes of the Mississippi Delta region in 1975 , a large , undescribed amphipod belonging to the genus Cerapus was discovered in tidal channels . This new species, C. benthophilus , is characterized by its large size and 7 -12 segmented antennal flagella. Habitat preference is muddy silt bottoms upon which it constructs conspicuous mats or tufts of interwoven tubes in shallow coastal bays and marshes from Louisiana to the panhandle areas of northern Florida. Cerapus benthophilus , sp. nov . Figs . 1-4 Holotype. USNM 171350, male (10 mm BL) , Ocean Springs , Mississippi , 30 23 '36''N ; 88°48 '31 W; Davis Bayou , 400 m west of the Gulf Coast Research Lab, 1.5 m depth , collected by R. Heard , 8 April 1976. Paratypes . USNM 171351 , 29°13'01N; 90 14'05''W; Bayou Sevin , Louis iana, 3 m depth , collected by J. Thomas, 14 March 1975. Diagnosis . Species large , male and female reaching body lengths , excluding antennae, of I I and 9 mm respectively ; pereon segment I of male bearing lateral keel; antennal flagella 7-12 segmented ; basis of pereopod 2, anterodorsal margin with numerous, long setae (males only). Description. Male , 10 mm. Body: Constricted between pereon segments I and 2; head elongate, equal in length to pereonites 1-2. Rostrum: Reaching ocular margin ; frontal ocular margin incised , lateral lobes prominent. Eyes: Circular; black in formaldehyde-preserved specimens . Antenna I: 60% BL; reaching firs t flagellar segment antenna 2: segment I compressed laterally , deepest posteriorly , bearing paired setae ventrally ; peduncle with numerous , paired , long setae; flagellum 9-segmented . Antenna 2: 90% BL; flage llu m 9-segmented; peduncle wi th long , paired setae . Upper lip : Apical margin sl ightly emarginate. Mandible: Normal for genus; palp segment I the shortes t; incisors moderate ly toothed; lacina mobili s followed posteriorl y by 3 raker spi nes ; molar strongly triturative . Lower lip: Mandibular projecI tion pointed . Max illa I: Inner plate small , bearing single apical seta; outer plate with 910 apical spines; palp 2-segmented , medial and lateral margins bare . Maxilla 2: Inner and outer plates lightl y fringed with setae mediall y." @default.
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- W2074489234 date "1979-01-01" @default.
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- W2074489234 title "A New Species Of Cerapus Say, 1817 (Crustacea: Amphipoda) From The Northern Gulf Of Mexico, With Notes On Its Ecology" @default.
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