-
Astraeospongium is a
genus of
calcareous sponge from the Silurian.
Known species include A. menis**** and A. patina. The type
species of Astraeospongium...
- sphinctozoans, pharetronids, Scypha, Leucetta, Gravestockia, Grantia,
Astraeospongium, Clathrina, Lelapia, Rhaphidonema, and Girtyocoelia).
class Calcinea...
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Asterocyathus Asterospongia Asterotumulus Asthenospongia Astraeoconus Astraeospongium Astrobolia Astrocladia Astroconia Astrolemma Astropegma Astroporina...
- †Ascoceras †Ascoceras
croneisi †Aspeluindia †Aspeluindia
fluegeli †
Astraeospongium †Athyris †Athyris
vittara †Atrpina †Atrpina
magnaventra †Atrypa †Atrypa...
- for
species †Asthenohymen
triangularis – type
locality for
species †
Astraeospongium †Astrocystites †Atactoporella †Atactoporella
bellula †Atelelasma †Atelelasma...
- †Archinacella †Archinacella
patelliformis †Arthroclema †Arthroclema
striatum †
Astraeospongium †Astreptodictya †Astylospongia †Astylospongia
praemorsa †Atactoporella...
- †Asperconella
troyensis †Aspidocrinus †Asteropteris †Asteropteris
kopfi †
Astraeospongium †Atactotoechus †Atactotoechus
acritus †Atactotoechus kayi †Atalacrinus...
-
concentrica †Asterophyllites †Asterophyllites
equisetiformis †Asterotheca †
Astraeospongium †Astrocystites †Athyris †Athyris
bradyensis – or
unidentified comparable...
-
miltoni †Asterotheca
oreopteridia †Asteroxylon †Asteroxylon setc****i †
Astraeospongium †Astylospongia †Astylospongia
praemorsa †Atactoporella †Atelodictyon...
- †Asphaltinella †Asterophyllites †Asterophyllites
multifolia †Asthenophyllum †
Astraeospongium †Astreptodictya †Astrocystites †Astrocystites
ottawaensis – tentative...
