cryptozoic

cryptozoic

[krip-tuh-zoh-ik]
adjective
1.
(initial capital letter) Geology. of or pertaining to that part of Precambrian time whose stratigraphic record yields only sparse, primitive fossils.
2.
Zoology. living in concealed or secluded places.
noun
3.
(initial capital letter) Geology. the part of Precambrian time whose stratigraphic record yields only sparse, primitive fossils.

Origin:
1890–95; crypto- + zo- + -ic

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World English Dictionary
cryptozoic (ˌkrɪptəʊˈzəʊɪk)
 
adj
(of animals) living in dark places, such as holes, caves, and beneath stones

Cryptozoic (ˌkrɪptəʊˈzəʊɪk)
 
adj
1.  of or relating to that part of geological time represented by rocks in which the evidence of life is slight and the life forms are primitive; pre-Phanerozoic
 
n
2.  the Cryptozoic the Cryptozoic era

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