Word

綱鳥

つなどり
lesser cuckoo (Cuculus poliocephalus)
Word

灰色藻綱

かいしょくそうこう
Glaucophyceae; class of glaucophytes
Word

花虫綱

かちゅうこう
Anthozoa; class of cnidarians
Word

横綱相撲

よこづなずもう
facing one's opponent head-on and winning via overwhelmingly superior strength or skill; match in which a yokozuna overpowers his opponent
Word

異獣亜綱

異獣亜網
いじゅうあこう
Allotheria (subclass of Mesozoic mammals)
Word

異歯亜綱

いしあこう
Heterodonta (subclass of bivalve molluscs, including the clams and cockles)
Word

フデイシ綱

フデイシこう
Graptolithina; class of extinct hemichordates
Word

硬骨魚綱

こうこつぎょこう
Osteichthyes; class comprising the bony fishes (and sometimes their descendants, i.e. tetrapods)
Word

綱梯子

つなばしご
rope ladder; jack ladder; ratline
Word

双弓亜綱

そうきゅうあこう
Diapsida (class of amniotes)