Class
Petromyzonti
Petromyzonti
35 species in this taxon
class of chordates Petromyzonti (Petromyzonti) is a class of organisms united by key anatomical and physiological traits. It contains 1 orders with 35 known species. This includes the order groups lamprey. Among its members, 10 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Chordates (Chordata).