Table 2. Comparisons between Euphilomedes biacutidens sp. nov. and Euphilomedes sinisterKornicker, 1974.

Characteristics			E. biacutidens sp. nov.	E. sinister
Carapace	Ornamentation		Tiny circle pits	Polygonal reticulations
	Rostrum		Bifurcated ventral corner	Stout ventral corner
	Posterior part		Two spines on posterior margin of right valve	Two spines on posterior margin of left valve
	Aspect ratio		60%	66%
1st antenna	Sensory seta		About thirty-two very long filaments	Five short filaments and three long bifurcated filaments
	Terminal article		A-seta very short, spinose b- and g-setae very grand and long, c-seta with one mid filament, d-seta long with bifurcated tip, e- and f-setae long and bare	A-seta short, spinose b- and c-setae long, bare d- and e-setae long, f- and g-setae long with four short margin and to distal long filaments and bifurcated tip
2nd antenna	Exopod	II	One long plumose seta	Seta with short mid-ventral cilia
		III–V	One long plumose seta, respectively	One bare seta, respectively
		IX	Four long plumose setae	Four long, one medium, one short and one tiny setae
Mandible	Basale		Four setae in proximo-ventral group	Six setae in proximo-ventral group
	Exopod		Bare	Hirsute
	Endopod	I	Five ventral setae	Four ventral setae
		II	Six dorsal, five ventral setae	Eight dorsal, seven ventral setae
		III	Two claws, four setae	Three claws, four setae
Maxilla	Basale		Two setae	Three setae
	Exopod		Three long setae	Three long setae
	Endopod	I	Three distal, three disto-ventral setae	One disto-dorsal, five disto-ventral setae
		II	Three claws, seven setae	Twelve setae (some pectinate)
	Endite	I	Eight setae	Six setae
		II	Three setae	Eight setae
5th limb	Exopod	IV + V	Nine setae	Six setae
	Endite	I	Four setae	Six setae
		II	Three setae	Eight setae
		III	Eight setae	Eleven setae
6th limb	Epipod		Four setae	Four setae
	Endite	I	Three setae	One seta
		II	Two setae	Four setae
		III	Five setae	Eight setae
		IV	Ten setae	Eight setae
	Terminal article		Twenty-two setae	Twenty setae
7th limb	Cleaning setae		Eleven setae	Seven setae
	Comb		Six teeth	Fifteen teeth
Furca	Claws		Twelve	Thirteen
	Claw I		Five dorsal, eighteen ventral sawteeth	Numerous ventral sawteeth