• Source: Ophiurina
  • Ophiurina are a suborder of brittle stars containing the majority of living brittle star species.


    Characteristics


    Ophiurina contain a large number of ophiuroids with characteristics ranging from skin just covering the disk, the presence or absence of arm combs, and an infradental papilla occurring with a distinct diastema between it and its flanking oral papillae


    Systematics


    There is currently no consensus as to the subdivision of the Ophiurina (traditionally, the infraorders have been treated as suborders). It contains the genera Amphiura, Amphipholis, and Ophiacantha.
    The suborder has been divided into the following recent infraorders and families

    Ophiacanthidae
    Hemieuryalina

    Hemieuryalidae
    Chilophiurina

    Ophiuridae
    Gnathophiurina

    Amphilepididae
    Amphiuridae
    Ophiothricidae
    Ophiactidae
    Ophionereididae
    Ophiocomidae
    Ophiodermatina

    Ophiochitonidae
    Ophiodermatidae
    Ophiolepidina
    Ophiolepididae


    References

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