21![1925; Haeckel 1879; Hand 1955; Leuckart 1866; Weill[removed]Regardless of hypotheses about its phylogenetic affinities, past workers have always](https://www.pdfsearch.io/img/d826a80e7043b0c4a0bbfe170c46007e.jpg "1925; Haeckel 1879; Hand 1955; Leuckart 1866; Weill[removed]Regardless of hypotheses about its phylogenetic affinities, past workers have always") | Add to Reading ListSource URL: spineless.ucsd.eduLanguage: English |
|---|
22![Helgol Mar Res[removed]:203–210 DOI[removed]s10152[removed]](https://www.pdfsearch.io/img/c8b79a090db67d244d86bedecf152900.jpg "Helgol Mar Res[removed]:203–210 DOI[removed]s10152[removed]") | Add to Reading ListSource URL: www.ib.usp.brLanguage: English - Date: 2004-12-07 07:16:56
|
|---|
23 | Add to Reading ListSource URL: www.biomedcentral.comLanguage: English |
|---|
24 | Add to Reading ListSource URL: www.biolbull.orgLanguage: English - Date: 2006-05-24 10:03:19
|
|---|
25 | Add to Reading ListSource URL: www.ville-ge.chLanguage: English - Date: 2012-11-12 08:26:15
|
|---|
26 | Add to Reading ListSource URL: museumvictoria.com.auLanguage: English - Date: 2008-12-23 18:03:17
|
|---|