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Corpora arenacea (singular:
corpus arenaceum, also
called brain sand or
acervuli or
psammoma bodies or
pineal concretions) are
calcified structures in...
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Idiosoma arenaceum is a
trapdoor spider in the
Arbanitinae subfamily of the
Idiopidae family. It was
first described in 2018 by
Michael G. Rix, Mark Harvey...
- thou****nse (D'Orbigny, 1843)
Grammoceras penestriatulum (Buckman, 1902)
Grammoceras arenaceum (m) (Buckman, 1904)
Grammoceras glabrum (m) (Monestier, 1921)...
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antipodeus Egerton, 1864]
Species †P.
antiquum Williams, 1886
Species †P.
arenaceum Berger, 1832
Species †P.
capense (Bloom, 1913) [Palaeoniscus capensis...
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conifers (Walchia, Voltzia) and a few
calamites with such
forms as
Equisetum arenaceum and
Pterophyllum jaegeri.
Avicula contorta,
Protocardium rhaeti****, Terebratula...
- Synoi****
angustum Kott, 1992 Synoi****
apectetum Millar, 1982 Synoi****
arenaceum (Michaelsen, 1924) Synoi**** atlanti**** Millar, 1968 Synoi**** atopogaster...
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antipodeus Egerton, 1864] †Palaeonis****
antiquum Williams, 1886 †Palaeonis****
arenaceum Berger, 1832 †Palaeonis****
capense (Bloom, 1913) [†Palaeoniscus capensis...
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South Australia (SA),
Victoria (VIC) or
Western Australia (WA):
Idiosoma arenaceum Rix & Harvey, 2018 – WA
Idiosoma berlandi (Rainbow, 1914) – NSW Idiosoma...
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antipodeus Egerton, 1864]
Species †P.
antiquum Williams, 1886
Species †P.
arenaceum Berger, 1832
Species †P.
capense (Bloom, 1913) [Palaeoniscus capensis...
- I.
yemenensis Simon, 1890 —
Yemen Idiosoma Idiosoma Ausserer, 1871 I.
arenaceum Rix & Harvey, 2018 —
Australia (Western Australia) I.
berlandi (Rainbow...
