1) Living fossil
Found on
https://www.crosswordclues.com/clue/chondrostei
Chondrostei are primarily cartilaginous fish showing some ossification. The 52 species are divided among two orders, the Acipenseriformes (sturgeons and paddlefishes), and the Polypteriformes (reedfishes and bichirs). The ancestors of the chondrosteans are thought to be bony fish, but that this characteristic was lost in later evolutionary develop...
Found on
http://en.wikipedia.org/wiki/Chondrostei
• (n. pl.) An order of fishes, including the sturgeons; -- so named because the skeleton is cartilaginous.
Found on
http://thinkexist.com/dictionary/meaning/chondrostei/
Chon·dros'te·i noun plural [ New Latin , from Greek ... cartilage + ... bone.]
(Zoology) An order of fishes, including the sturgeons; -- so named because the skeleton is cartilaginous.
Found on
http://www.encyclo.co.uk/webster/C/71
No exact match found.
