morphospeciesn.

1953 A. J. Cain in Evolution 7 82 For these meanings respectively may be used the terms morphospecies, palaeospecies, biospecies, and agamospecies.

1961 G. G. Simpson Princ. Animal Taxon. v. 156 The subject of ‘morphospecies’, including what paleontologists often call ‘form species’..and ‘paraspecies’..has become highly confused.

1981 Science 20 Feb. 773 The..hypothesis..can be falsified by many particular instances as long as morphospecies are accepted as a sufficient basis for interpretation.

2000 Nature 4 May 46/1 Molecular studies have shown that many planktonic foraminiferal morphospecies comprise more than one genetically distinct population which may warrant ‘cryptic’ species status.