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Vertebrate Zoology

Ostracoderms (Extinct Agnathans)

QuestionAnswer
Period of Ostracoderms Silurian and Devonian (440-360 million years ago)
Characteristics of Ostracoderms Dermal bone plates; Endoskeletal cartilage elements; Notochord; Jawlass; Unidirectional gills
Dermal Bone Plate in Ostracoderms Exoskeletal; Formed in skin; lead to scales; Had dentine and enamel on top
Feeding Habits of Ostracoderms Bony plates around mouth; Muscular pharynx; Feeding via suction; Benthic environment
Created by: LionsandGiants