The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Spiriferida
Spirifer striatus, a Carboniferous spiriferide: the top image shows the dorsal view of an articulated shell; the bottom image shows the ventral valve
Spirifer striatus, a Carboniferous spiriferide: the top image shows the dorsal view of an articulated shell; the bottom image shows the ventral valve (the dorsal one has been removed) allowing to notice the spiralium (laterally oriented cones forming the skeleton of the lophophore)
A Devonian spiriferide brachiopod from Ohio which served as a host substrate for a colony of hederellids.
A Devonian spiriferide brachiopod from Ohio which served as a host substrate for a colony of hederellids.
Spirifer
Spirifer perlamosus pedunculate valve
Spirifer perlamosus pedunculate valve
S. missouriensis. Early Carboniferous, Radville, Saskatchewan (Canada). At the Royal Tyrrell Museum of Palaeontology.
S. missouriensis. Early Carboniferous, Radville, Saskatchewan (Canada). At the Royal Tyrrell Museum of Palaeontology.