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Armored Fishes

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Armored Fishes 

a group of fishes that formerly united the extinct classes Ostracodermi and Placodermi. The fishes were characterized by a bony external armor that partially or completely covered the head and the anterior part of the trunk.



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Our finds show that these extinct armored fishes, the placoderms, had intimate copulation with males inserting claspers (a structure that is part of the pelvic fin) inside the female to deposit sperm," Long said.
 
 
 
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