Plesiosironidae
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/63/Plesiosiro_madeleyi_CT.jpg/220px-Plesiosiro_madeleyi_CT.jpg)
Taxonavigation
editSuperregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Arachnida
Ordo: †Haptopoda
Familia: †Plesiosironidae
Genera:
†Plesiosiro
Name
editPlesiosironidae Pocock, 1911