s, a, o, e, l, p, c, r, i, u, y are letters that make 'Pelycosauria'
el, pel, os, OS, pe, cos, SA, AU, RI, EL, pelycosaur, Sauria, Lycosa, Uria, Ur, CO, IA, Co, Au, Os are words within 'Pelycosauria'
1 possible definitions for 'Pelycosauria'
Under this definition, pelycosauria is a noun and has the following properties:
order Pelycosauria has the same meaning as Pelycosauria
'Pelycosauria' can be a type of animal order.
'Pelycosauria' can be a member of Synapsida, subclass Synapsida.
pelycosaur, Edaphosauridae, family Edaphosauridae, genus Dimetrodon are members of 'Pelycosauria'.