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Tappania is an
acanthomorph acritarch found in late Paleoproterozoic,
Mesoproterozoic and
Neoproterozoic rocks. The
oldest examples are
around 1630 million...
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Paleoproterozoic (Statherian). The
earliest unequivocal unicellular eukaryotes,
Tappania plana, S****yousphaeridium macroreticulatum,
Dictyosphaera macroreticulata...
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acritarch microfossils with
relatively robust ornate carbonaceous vesicles of
Tappania from 1.63 gya and S****yousphaeridium from 1.8 gya. McGrath,
Casey (31 May...
- †Navifusa †Protosterol
biota †Pterospermopsimorpha †Qingshania †Schizofusa †S****yousphaeridium †Simia †
Tappania †Tawuia (?) †Thuchomyces (?) †Valeria...
- †Navifusa †Protosterol
biota †Pterospermopsimorpha †Qingshania †Schizofusa †S****yousphaeridium †Simia †
Tappania †Tawuia (?) †Thuchomyces (?) †Valeria...
- †Navifusa †Protosterol
biota †Pterospermopsimorpha †Qingshania †Schizofusa †S****yousphaeridium †Simia †
Tappania †Tawuia (?) †Thuchomyces (?) †Valeria...
- †Navifusa †Protosterol
biota †Pterospermopsimorpha †Qingshania †Schizofusa †S****yousphaeridium †Simia †
Tappania †Tawuia (?) †Thuchomyces (?) †Valeria...
- Jur****ic
Cretaceous Paleogene Neogene Quaternary ↓S****yousphaeridium,
Tappania ↓Trachyhystrichosphaera,
Leiosphaeridia ↓Grypania
Possible stem-group eukaryotes...
- †Navifusa †Protosterol
biota †Pterospermopsimorpha †Qingshania †Schizofusa †S****yousphaeridium †Simia †
Tappania †Tawuia (?) †Thuchomyces (?) †Valeria...
- †Navifusa †Protosterol
biota †Pterospermopsimorpha †Qingshania †Schizofusa †S****yousphaeridium †Simia †
Tappania †Tawuia (?) †Thuchomyces (?) †Valeria...
