- PMID 7886451. S2CID 12196991.
Retrieved 2021-02-16. Nesnidal,
Maximilian P;
Helmkampf, Martin; Meyer, Achim; Witek, Alexander; Bruchhaus, Iris; Ebersberger...
- 1038/s41559-017-0389-y. ISSN 2397-334X. PMID 29203924. Hausdorf, B.;
Helmkampf, M.; Meyer, A.; Witek, A.; Herlyn, H.; Bruchhaus, I.; Hankeln, T.; Struck...
- Phoronida. It also
includes their ancestors, the
extinct tommotiids.
Helmkampf M,
Bruchhaus I,
Hausdorf B (August 2008). "Phylogenomic
analyses of lophophorates...
- BioScience. 63 (10): 834–835. doi:10.1525/bio.2013.63.10.14. Hausdorf, B.;
Helmkampf, M.; Meyer, A.; et al. (December 2007). "Spiralian
phylogenomics supports...
- PMID 9076674. S2CID 14964932. Nielsen:
Phylog pos of
Brachios & (2002).
Helmkampf etc:
Lophotrochozoa concept & (2008).
Giribet etc:
Combined phylogeny...
- bryozoans,
which he
regards as protostomes, have
multiple cilia per cell.
Helmkampf,
Bruchhaus and
Hausdorf (2008)
summarise several authors' embryological...
- 1093/molbev/msu143. ISSN 0737-4038. PMID 24748651. Nesnidal,
Maximilian P.;
Helmkampf, Martin; Meyer, Achim; Witek, Alexander; Bruchhaus, Iris; Ebersberger...
- 1186/1471-2148-7-57. ISSN 1471-2148. PMC 1855331. PMID 17411434. Hausdorf, Bernhard;
Helmkampf, Martin; Meyer, Achim; Witek, Alexander; Herlyn, Holger; Bruchhaus, Iris;...
- the
original on 9
October 2022.
Retrieved 26
August 2016. Hausdorf, B.;
Helmkampf, M.; Meyer, A.; Witek, A.; Herlyn, H.; Bruchhaus, I.; Hankeln, T.; Struck...
- 30 (4): 288. doi:10.1111/j.1440-6055.1991.tb00438.x. Gadau, Jürgen;
Helmkampf, Martin; Nygaard, Sanne; Roux, Julien; Simola,
Daniel F.; Smith, Chris...
