acanthodian

noun · adjectiveB2

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

acanthodiansacanthodean

1.
(zoology) A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.
The emerging picture of acanthodian (and perhaps placoderm) paraphyly does not overturn a general consensus about gnathostome interrelationships.

Tính từ

adjective

Comparative

acanthodean

1.
(not comparable)Pertaining to Acanthodii.