|Daughter taxa (time control age-window is: 0-800Ma)|
Spherical; Wall of largish irregular weakly-interlocking elements with a perforate structure; c-axes tangential to surface and randomly oriented in plane of surface; opening sub-circular.
Catalog entries: Thoracosphaera *
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): within Carnian Stage (228.35-237.00Ma, base in Carnian stage). Data source: Total of range of species in this database
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=20478 Go to Archive.is to create a permanent copy of this page - citation notes