Lets go from the top with approximate guesses...
Phytonotus - familiar with sunlight
spermaticus - of or related to sperm
rosae - rose-like
aromaticus - strong-smelling
Pyrodraco - fire-dragon
lacertis - armed
flammeus - flamed
volans - flying
Rheobolus - Rheobolus - water-throwing
Metacoris - (with the aim of) acheiving beauty - larvarius etc indicating the state
Serpentium crotalum - rattlesnake
Catus scabies - dirty cat
Taurus ferus - wild bull
Deuterion geneticus - the second, of or related to genetics
Omnipater novus - father of all the new
At this point I got tired XD
A very interesting list you have compiled nevertheless. I will go so far as to say it is the most constructive piece of fan work contributed to this community ever.
+1
Perhaps I'll think about some of these more another time...