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Archaeocyatha (/ˈɑːrkioʊsaɪəθə/, 'ancient cups') is a
taxon of extinct, sessile, reef-building
marine sponges that
lived in warm
tropical and subtropical...
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walls and
septa in
Archaeocyatha. They have been
considered separate phyla, however, the
consensus is
growing that
Archaeocyatha was in fact a type of...
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Archaeocyatha extinction...
- The
original volume is out of
print but is
available here. Part E.
Archaeocyatha & Porifera,
xviii + 122 p., 89 fig., 1955. ISBN 0-8137-3005-8. The original...
- name for all
Porifera that
build reefs. In the
early Cambrian period,
Archaeocyatha sponges were the world's
first reef-building organisms, and sponges...
- cnidarians; algae; foraminiferans; a
completely separate phylum of animals,
Archaeocyatha; or even a
completely separate kingdom of life,
labeled Archaeata or...
-
stromatolites which had been
replaced by reef
building sponges known as
Archaeocyatha,
returned once more as the
archaeocyathids became extinct. This declining...
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Agnotozoa Phylum Mesozoa Subkingdom Parazoa Phylum Porifera Phylum Archaeocyatha †
Subkingdom Eumetazoa Branch Radiata Phylum Cnidaria Phylum Ctenophora...
- times.
During the
Cambrian Period, the
conical or
tubular skeletons of
Archaeocyatha, an
extinct group of
uncertain affinities (possibly sponges), built...
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Volumes 4 & 5:
Hypercalcified Porifera,
Paleozoic Stromatoporoidea &
Archaeocyatha, liii + 1223 p., 665 figs., 2015,
available here. ISBN 978-0-9903621-2-8...
