Regulares (Regular)
Probably paraphylletic or polyphylletic group of archaeocyathids with regular shape of the skeleton.
| ||
![[ENG]](img/vlajka-cr.gif)
Česky 
Virtual museum of the Czech Geological Survey, cgs.gov.cz, (C) Czech Geological Survey, 2011, v.1.1 [14.4.2026]
Regulares (Regular)
Probably paraphylletic or polyphylletic group of archaeocyathids with regular shape of the skeleton.
| ||