@misc{indiciaecc5acb892d5f,
  title = {The blastomere pattern in echinoderms: cleavages one to four.},
  author = {J W Prothero and A Tamarin},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/915423/},
  note = {Source identifier: 915423}
}