''Permocalculus'' is a genus of
red algae known from Permian to Cretaceous strata.
Closely aligned to ''
Gymnocodium
''Gymnocoidum'' is a genus of calcareous alga known from Permian strata. For details of its classification, see Gymnocodiaceae
This family of alga is known from Permian to Cretaceous strata. It has been aligned with the chlorophytes and rhod ...
'', it is placed in the Gymnocodiaceae.
References
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Fossil algae
Red algae genera
Permian first appearances
Cretaceous extinctions
Enigmatic red algae taxa
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