Ontonychophora is an extinct order of

onychophoran Onychophora (from grc, ονυχής, , "claws"; and , , "to carry"), commonly known as velvet worms (due to their velvety texture and somewhat wormlike appearance) or more ambiguously as peripatus (after the first described genus, '' Peripatus ...

consisting of organisms with simple lobopods that lack terminal feet. It includes all fossil onychophorans except †'' Cretoperipatus'', which is in the Euonychophora along with all remaining members of the phylum.

Families

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Helenodoridae ''Helenodora'' is an extinct basal onychophoran or lobopodian genus known from the Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million y ...

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Tertiapatoidea Tertiapatoidea is an extinct superfamily of onychophora Onychophora (from grc, ονυχής, , "claws"; and , , "to carry"), commonly known as velvet worms (due to their velvety texture and somewhat wormlike appearance) or more ambiguously a ...

:*† Tertiapatidae :*†

Succinipatopsidae ''Succinipatopsis'' is an extinct onychophoran genus known from Eocene-aged Baltic amber The Baltic region is home to the largest known deposit of amber, called Baltic amber or succinite. It was produced sometime during the Eocene epoch, b ...

References

Onychophoran orders Prehistoric onychophorans Prehistoric animal orders {{paleo-protostome-stub