CHORDATA (non-vertebrate)


PHYLUM CHORDATA
The formation of a notochord, and then a backbone was a big step in evolution. Tunicates which produce "tadpole" larvae are well represented in the glistening chunks of sea pork, knobby potato-like solitary forms or sea grapes. Tunicates absorb their notochords and sit like a sponge on the bottom.  Not so with an amphioxus, which retains its notochord.

AS-25 CHORDATE ASSORTMENT. Includes non-vertebrate chordates: solitary, colonial, and encrusting tunicates and amphioxus
Small Assortment, 12 specimens:$  110.00
Medium Assortment, 25 specimens:160.00




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