Character |
A. spinifera
sp. nov.
|
A. brandorffi
|
Body outline |
Oval, maximum height at the middle of the body |
Egg-shaped, maximum height after the middle of the body |
Ventral setae of valves |
Short, posteriormost setae located before posteroventral angle |
Long, posteriormost setules located at porteroventral angle |
Posteroventral angle of valves |
With about 60 setulae |
With about 25 setulae |
Endite 3 of limb I |
Seta 1 thick, as long as others; seta с without denticles |
Seta 1 thin, significantly shorter than others; seta с with long denticles. |
Endite 2 of limb I |
Setae e–f long, 1.5–2 times longer than seta c |
Setae e–f short, of similar length with seta c, with reduced distal portion |
IDL of limb I |
Seta 2 with three spines of similar length |
Seta 2 with four spines of different length, basalmost spine 2 times shorter than distalmost one |
Limb II |
Scraper 7 only slightly smaller than scrapers 6 and 8 |
Scraper 7 two times shorter than scrapers 6 and 8 |
Inner portion of limb IV |
With three flaming-torch setae |
With two flaming-torch setae |