TY - GEN AU - van den Biggelaar,J A AU - Dictus,W J AU - van Loon,A E TI - Cleavage patterns, cell-lineages and cell specification are clues to phyletic lineages in Spiralia SN - 1084-9521 PY - 2004///0510 N1 - Publication Type: Journal Article UR - https://doi.org/10.1006/scdb.1997.0161 ER -