Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'obsolete UCoD'?

A. Obsoleted because it is redundant with 'optic eminence ectoderm'.
B. incorrectly generalized to teleosts so being obsoleted.
C. Dorso-lateral portion of the pectoral girdle.
D. arthropod specific groupings belong in separate ontology

Answer: incorrectly generalized to teleosts so being obsoleted.