Also , from a purely curatorial perspective the term pteridosperms is a useful shorthand for describing the fern-like fronds that were probably produced by seed plants , which are commonly found in many Palaeozoic and Mesozoic fossil floras .
Also , for curators or collectors , the term ` pteridosperm ' is a useful shorthand for describing fern-like fronds probably produced by seed plants , which are often found in Palaeozoic and Mesozoic fossil floras .