Brief SummaryRead full entry
Fossil speciesrecent & fossil
28 other items
57 other items
762 other items
763 other items , 12 members
|Undescribed species present in museum collections||
|has parasite||Neoechinorhynchus rutili|
|First Appearance (Older Bound)||530.0 million years ago|
|First Appearance (Younger Bound)||520.0 million years ago|
|Last Appearance (Older Bound)||0.0117 million years ago|
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