First record of the genus Limnoporeia Fearn-Wannanı 1968 (Crustacea: Amphipoda: Phoxocephalidae) from the Atlantic Oceanı with description of a new species
Author
Andrade, L. F.
Author
Senna, A. R.
text
Journal of Natural History
2019
2020-01-21
53
41
2517
2531
journal article
24059
10.1080/00222933.2019.1705931
7bc0a9bd-188b-4a9c-a59e-e1ca0d7744a9
1464-5262
3666460
Genus
LIMNOPOREIA
Fearn-Wannanı 1968
Type
species
Limnoporeia kingi
Fearn-Wannanı 1968
Emended diagnosis
Head with rostrum variableı unconstricted to weakly constrictedı often elongateı with apicoventral toothı eyes present. Antenna 1ı article 2 of medium length or elongateı ventral setae almost confined distally. Antenna 2ı article 1 not ensiformı article 3 with 2 facial setulesı article 4 with facial stout setae in 2+ rowsı some setae stoutı some setae often slenderı article 5 ordinary. Right mandibleı incisor with 3+ teethı lacinia mobilis flabellateı molar conical and not triturativeı with 3 or fewer basally fused stout setaeı palpar hump small to mediumı apex of palp article 3 oblique. Maxilla 1ı inner plate naked or with setulesı palp 1-articulate. Maxillipedsı inner and outer plates small and poorly armedı palpı apex of article 3 not strongly protuberantı dactylus elongate with apical nail distinct. Gnathopods of medium sizeı dissimiları palms weakly to fully chelate.
Gnathopod 1
ı carpus freeı ordinary to elongate. Gnathopod 2 moderately to strongly enlargedı carpus short and often almost cryptic. Pereopods 3
–
4ı carpus without posteroproximal setaeı propodus with armamentsı dactylus occasionally vestigial. Pereopod 5ı basis broadı merus and carpus somewhat narrow. Pereopod 6ı merus and carpus narrow. Epimeral plates 1
–
2 without long facial brushes or posterior setae. Epimeral plate 3 of rounded classificationı weakly setose. Urosomite 3 without dorsal hook. Uropods 1
–
2ı rami not continuously setose to apex. Uropod 1ı peduncle without inter-ramal spike or displaced stout setaı inner ramus with 0
–
1 row of marginal setae. Uropod 3 bearing a second article on outer ramusı with 2 apical setae. Telson short to elongate.
Genus composition
L. cooki
; L. in
fi
rmichelata
sp. nov
.;
L. kalduke
;
L. kingi
;
L. maranowe
;
L. ungamale
;
L. wakkine
;
L. woorake
; and
L. warrague
.