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.
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.