HOLOCOCCOLITHS
- Holococcoliths - without tube (inc. Crystallolithus, Anthosphaera)
- Holococcoliths - open tubes +/- septae (inc. Calicasphaera, Syracolithus spp.)
- Holococcoliths - with convex cover (inc. Calyptrosphaera, Sphaerocalyptra, Flosculosphaera)
- Holococcoliths - with bridge (inc. Poritectolithus, Corisphaera, Homozygosphaera, Helladosphaera, Periphyllophora)
- Holococcoliths - with flat top (inc. C'lithina, C'lithphora, Poricalyptra, Syracolithus spp., Zygosphaera)
NB These images were published in Young et al. (2003) with descriptive notes etc. if you find these images useful you may wish to purchase the published version:
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