Zatoń, M.; Krawczyński, W. (2011). "New Devonian microconchids (Tentaculita) from the Holy Cross Mountains, Poland". Journal of Paleontology. 85 (4): 757–769. doi:10.1666/11-005.1. S2CID128428024.
Neff, J.M. (1971). "Ultrastructure of calcium phosphate-containing cells in the serpulid Pomatoceros caeruleus". Calcified Tissue Research. 7 (3): 191–200. doi:10.1007/bf02062606. PMID4328005. S2CID31218835.
Ausich, W.I.; Wilson, M.A. (2016). "Llandovery (early Silurian) crinoids from Hiiumaa Island, western Estonia". Journal of Paleontology. 90 (6): 1138–1147. doi:10.1017/jpa.2016.120. S2CID133155370.
Zatoń, M.; Krawczyński, W. (2011). "New Devonian microconchids (Tentaculita) from the Holy Cross Mountains, Poland". Journal of Paleontology. 85 (4): 757–769. doi:10.1666/11-005.1. S2CID128428024.
Neff, J.M. (1971). "Ultrastructure of calcium phosphate-containing cells in the serpulid Pomatoceros caeruleus". Calcified Tissue Research. 7 (3): 191–200. doi:10.1007/bf02062606. PMID4328005. S2CID31218835.
Ausich, W.I.; Wilson, M.A. (2016). "Llandovery (early Silurian) crinoids from Hiiumaa Island, western Estonia". Journal of Paleontology. 90 (6): 1138–1147. doi:10.1017/jpa.2016.120. S2CID133155370.