opisthocoelan [n.]
| sing. | opisthocoelan |
| plur. | opisthocoela / opisthocoelans |
Outras palavras (mesmo modelo) :
opisthocoelan myriapodan molluscoidean ostracean macrolepidopteran ornithischian mammalian proturan hymenopteran mecopteran ornithodelphian pseudosuchian