Multiple Choice
According to the fossil record, which of these jawed fishes diversified in the Devonian and Carboniferous periods, but left no direct descendants?
A) placoderms
B) ostracoderms
C) osteolepiforms
D) conodonts
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q142: Which of the following describes the postembryonic
Q143: Which Ecdysozoa phylum contains the 65 species
Q144: Which of the following distinguish gnathostomes from
Q145: For most protostomes, what is the developmental
Q146: Which structure is derived from an ancestral
Q148: Suppose that you have found an animal
Q149: Which class includes the fleshy-finned fishes, which
Q150: Match each group of organisms with its
Q151: Which animal taxon is named for the
Q152: Which subphylum includes members that are now