Question

Affinities of cyclostomata with protochordates

Answer 1

Explanation:

Cyclostomata /sɪkloʊˈstɒmətə/ is a group of agnathans that comprises the living jawless fishes: the lampreys and hagfishes. Both groups have jawless mouths with horny epidermal structures that function as teeth, and branchial arches that are internally positioned instead of external as in jawed fishes. The name Cyclostomata means "round mouths". It was named by Joan Crockford Beattie.

Answer 2

Answer:

Cyclostomata /sɪkloʊˈstɒmətə/ is a group of agnathans that comprises the living jawless fishes: the lampreys and hagfishes. Both groups ...

Phylum: Chordata

Superclass: Cyclostomata; Duméril, 1806

Kingdom: Animalia

Subphylum: Vertebrata