Sea spider [SEP] parent taxon
are normally split into eighty-six genera. The correct taxonomy within the group is uncertain, and it appears that no agreed list of orders exists. Accordingly, families are listed in the , all considered part of the single order Pantopoda.
Sea spiders have long been considered to belong to the Chelicerata, together with horseshoe crabs, and the Arachnida, which includes spiders, mites, ticks, scorpions, and harvestmen, among other, lesser known orders.
A competing theory proposes that pycnogonida belong to their own lineage
Bouliachelys
Bouliachelys is an extinct genus of sea turtle from Cretaceous Australia. Its parent taxon is the clade Dermochelyoidae.
External links.
- Life History: Geologic History of Sea Turtles
- Bouliachelys at the Paleobiology Database