-
reinforced with
laminar outgrowths. One
example of a
columnar stromatoporoid is
Aulacera, a very
large aulaceratid from the Late
Ordovician of
Anticosti Island...
- stromatoporid/disc-shaped spongliomorphids; e.g., Stromatopora,
Aulacera, Stromatactis, Actinostroma, Discophyllum,
Parallelopora and Amphipora)...
-
Aulaceratidae Kühn, 1927
Alleynodictyon Webby, 1971 [Upper
Ordovician (Katian)]
Aulacera Plummer, 1843 [Middle
Ordovician (Darriwilian) –
Upper Ordovician (Hirnantian)]...
-
shideleri – type
locality for
species †
Aulacera †
Aulacera cylindrica †
Aulacera intermedia †
Aulacera nodulifera †
Aulacera plummeri †Aulocrinus †Aulocrinus bellus...
-
Astylospongiella Ataxiocyathus Atelodictyon Atopostroma Atrochaetetes Attungaia Aulacera Aulacosia Aulacospongia Aulaxinia Auliscocyathus Aulocopella Aulocopina...
- †Athyris †Athyris lens †Athyris
vittata †Atrypa †Atrypa
traversensis †
Aulacera †
Aulacera nodulifera †Aulacotheca †Aulacotheca
Campbelli †Aulocystis †Aulocystis...
-
using admittedly obsolete nomenclature †Augustoceras †Aulacella †
Aulacera †
Aulacera nodulosa †Aulocystis †Aulocystis
auloporoidea †Aulocystis auloporoides...
