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Solenopora

Extinct genus of algae From Wikipedia, the free encyclopedia

Solenopora
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The extinct Solenoporaceae have traditionally been interpreted as a group of red algae ancestral to the Corallinales.[4]

Quick Facts Scientific classification, Species ...

The genus from which they take their name, Solenopora, originates in the Ordovician.[5] Unlike the Corallinaceae, this family has large vegetative cells and an undifferentiated thallus.[5] Additionally there are external, non-calcified sporangia.[6]

The differences in structure suggest that the holotype is not an alga at all, but rather is a chaetetid sponge. Post-Palaeozoic specimens therefore require re-classification.[7] However, some algal taxa are still classified within the genus.[8]

Some specimens of algal Solenopora retain an original pink colouration, which is banded with growth stages of the fossil; this is produced by boron-containing hydrocarbons.[8]

The solenoporaceae mineralized with calcite.[9]

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Other genera within the Solenoporaceae

Although the following other genera have been included in this family, their status is uncertain due to the loose definition of the family.[3][7]

  • Dendronella Moussavian and Senowbari-Daryan 1988
  • Elianella
  • Marinella Pfender 1939
  • Metasolenopora Pia 1930
  • Parachaetetes Deninger 1906
  • Pycnoporidium Yabe and Toyama 1928
  • Solenoporella Rothpletz
  • Tauristorea Senowbari-Daryan and Link 2005

See also

References

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