TY - JOUR A1 - Bidder, G.P. JO - Proceedings of the Royal Society SP - 61 EP - 76. C1 - 64: 61-76. TI - The Skeleton and Classification of Calcareous Sponges. UR - https://www.marinespecies.org/aphia.php?p=sourcedetails&id=7142 VL - 64 PY - 1898 Y2 - 2024-03-28 ER -