Palaeontographica Canadiana
Rigby J. K., Collins D. (2004) Sponges of the Middle Cambrian Burgess Shale and Stephen Formation, British Columbia. Royal Ontario Museum Contributions in Science, 1, 1–164.
Royal Ontario Museum Contributions in Science
Rigby J. K., Johnston P. A. (2004) An unusually large Aulocopella winnipegensis and associated demosponges from the Upper Ordovician Beaverfoot Formation, southeastern British Columbia. Canadian Journal of Earth Sciences, 41, 939–47.
Aulocopella winnipegensis
Canadian Journal of Earth Sciences
Schuster A. et al. (2015) Deceptive desmas: Molecular phylogenetics suggests a new classification and uncovers convergent evolution of lithistid sponges. PLoS ONE, 10, e116038. DOI: 10.1371/journal.pone.0116038.
. et al.
PLoS ONE,
Sethmann I., Wörheide G. (2007) Structure and composition of calcareous sponge spicules: A review and comparison to structurally related biominerals. Micron, 39, 209–28.
Micron
Soest R. W. M. van. (1984) Deficient Merlia normani Kirkpatrick, 1908, from the Curacao reefs, with a discussion on the phylogenetic interpretation of sclerosponges. Bijdragen tot de Dierkunde, 54, 211–9.
Merlia normani
Bijdragen tot de Dierkunde,
Sogabe S. et al. (2019) Pluripotency and the origin of animal multicellularity. Nature, 570, 519–22.
et al.
Nature
Tang Q. et al. (2019) Spiculogenesis and biomineralization in early sponge animals. Nature Communications, 10, 3348. DOI: 10.1038/s41467-019-11297-4.
et al.
Nature Communications,