title: Origin of planktotrophy--evidence from early molluscs: a response to Nützel et al. (2006).
authors.affiliation: Section of Integrative Biology, University of Texas, Austin, TX 78712, USA. GFREE@mail.utexas.edu
authors.forename: Gary
authors.initials: G
authors.lastname: Freeman
authors.forename: Judith W
authors.initials: JW
authors.lastname: Lundelius
mesh_terms: D000818:Animals; D005075:Biological Evolution; D048429:Cell Size; D005580:Fossils; D007814:Larva / Q000033:anatomy & histology / Q000254:growth & development; D008974:Mollusca / Q000033:anatomy & histology / Q000254:growth & development*; D019021:Natural History; D010063:Ovum / Q000166:cytology; D015048:Zooplankton / Q000254:growth & development*