
1) Crossopterygian 2) Fish 3) Latimeria chalumnae 4) Living fossil 5) Lobe-finned fish 6) Lobefin
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https://www.crosswordclues.com/clue/coelacanth

The coelacanths (θ {respell|SEE|lə-kanth}) constitute a now rare order of fish that includes two extant species in the genus Latimeria: the West Indian Ocean coelacanth (Latimeria chalumnae) and the Indonesian coelacanth (Latimeria menadoensis). They follow the oldest known living lineage of Sarcopterygii (lobe-finned fish and tetrapods), which ...
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http://en.wikipedia.org/wiki/Coelacanth

lobe-finned fish long thought to be extinct
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http://phrontistery.info/c.html

• (a.) Having hollow spines, as some ganoid fishes.
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http://thinkexist.com/dictionary/meaning/coelacanth/

any of the lobe-finned bony fishes of the order Crossopterygii. Members of the related but extinct suborder Rhipidistia are considered to have been ... [4 related articles]
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http://www.britannica.com/eb/a-z/c/105

The Coelacanth (pronounced SEE-la-canth) is a primitive lobe-finned fish, (Crossopterygii) that appeared about 350 million years ago. Coelacanth meaning hollow spine) is about 5 feet (1.5 m) long. This carnivore (meat-eater) was thought to have been extinct for millions of years, but a living Coelacanth was caught in the Indian Ocean off the coast ...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

[
n] - fish thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of Africa
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http://www.webdictionary.co.uk/definition.php?query=coelacanth

fossil fish that was discovered to still be alive in 1938
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https://sciencetrek.org/sciencetrek/topics/fish/glossary.cfm
Latimeria chalumnae noun fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa
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https://www.encyclo.co.uk/local/20974

Large dark brown to blue-grey fish that can grow to about 2 m/6 ft in length, and weigh up to 73 kg/160 lb. It has bony, overlapping scales, and muscular lobe (limblike) fins sometimes used like oars when swimming and for balance while resting on the sea floor. They feed on other fish, an...
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https://www.encyclo.co.uk/local/21221

a crossopterygian fish, Latimeria chalumnae, thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of southern Africa.
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https://www.infoplease.com/dictionary/coelacanth
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