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Extinct class of sponges
Archaeocyatha (/ˈɑːrkioʊsaɪəθə/, "ancient cups") is a taxon of extinct, sessile, reef-building marine sponges that lived in warm tropical and subtropical
Archaeocyatha
Period of major evolutionary diversification of animal life
* * * * * * * * * * ← Orsten fauna ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Cambrian_explosion
First geological period of the Paleozoic Era
siliceous sponges with spicules of both silica and calcium carbonate. Archaeocyatha are probably related to demosponges. They first appear in the fossil
Cambrian
Ancestral subkingdom of animals
walls and septa in Archaeocyatha. They have been considered separate phyla, however, the consensus is growing that Archaeocyatha was in fact a type of
Parazoa
Archeological site in South Australia
throughout the world as the Ajax Limestone, and is known for its many Archaeocyatha fossils. The site is part of the Flinders Ranges geological successions
Ajax_Mine_Fossil_Reef
Mass extinction event about 66 million years ago
Proceedings of the Fifth International Symposium on Fossil Cnidaria including Archaeocyatha and Spongiomorphs (8). Brisbane, Queensland: 355–370. Raup, D. M.; Jablonski
Cretaceous–Paleogene extinction event
Cretaceous–Paleogene_extinction_event
Animals of the phylum Porifera
cnidarians; algae; foraminiferans; a completely separate phylum of animals, Archaeocyatha; or even a completely separate kingdom of life, labeled Archaeata or
Sponge
First epoch of the Cambrian Period
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Terreneuvian
Genus of possible Ediacaran archaeocyathan
extinct sponge from the late Ediacaran, with possible affinities to the Archaeocyatha. Estimated to be about 543 million years old, A. germsi has been identified
Arimasia
Submerged ridge of rock, coral or other material
times. During the Cambrian Period, the conical or tubular skeletons of Archaeocyatha, an extinct group of uncertain affinities (possibly sponges), built
Reef
Taxonomic rank
Agnotozoa Phylum Mesozoa Subkingdom Parazoa Phylum Porifera Phylum Archaeocyatha † Subkingdom Eumetazoa Branch Radiata Phylum Cnidaria Phylum Ctenophora
Kingdom_(taxonomy)
Outcrop of rock in the sea formed by the growth and deposit of stony coral skeletons
thought to be extinct until existing reefs were discovered in 1987–1988. Archaeocyatha, an extinct clade of sponges, were the planet's first reef-building
Coral_reef
Sedimentary body with topographic relief composed of autochthonous calcareous deposits
scleractinian corals, but in the distant past other organisms, like archaeocyatha (during the Cambrian) or extinct cnidaria (tabulata and rugosa) were
Carbonate_platform
Ongoing series of zoology books
revisions of Part E Porifera,1972; Part V Graptolithina,1970; and Part E Archaeocyatha,1972; and contributions to supplements Part F, Coelenterata,1981; and
Treatise on Invertebrate Paleontology
Treatise_on_Invertebrate_Paleontology
Class of marine sponges of the phylum Porifera which have spicules of calcium carbonate
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Calcareous_sponge
Second age of the Furongian epoch
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Jiangshanian
Organisms that live in salt water
Marine Species. Retrieved 18 July 2012. Rowland SM, Stephens T (2001). "Archaeocyatha: A history of phylogenetic interpretation". Journal of Paleontology
Marine_life
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Qiongzhusian
Second and last age of the Terreneuvian Epoch
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Cambrian_Stage_2
First age of the Furongian epoch
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Paibian
Fourth and final epoch and series of the Cambrian
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Furongian
Third epoch of the Cambrian period
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Miaolingian
First stage of Cambrian Period
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Fortunian
Unnamed third stage of the Cambrian
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Cambrian_Stage_3
Cultural region in Southern Germany
macrofossils in Franconia, which are also the oldest in Bavaria, are archaeocyatha, sponge-like, goblet-shaped marine organisms, which were discovered
Franconia
Tumuliolynthus, Kotuyicyathus, Metaldetes, Ajacicyathus and Paranacyathus. Archaeocyatha is sometimes classified as a class of Porifera below. Quintessential
Taxonomy of commonly fossilised invertebrates
Taxonomy_of_commonly_fossilised_invertebrates
Extinct species of sponge-like organism
(Cambrian)". archaeocyatha.infosyslab.fr. Retrieved 2018-11-30. Kerner, Adeline. "Sekwicyathus - Archaeocyathan knowledge base (Cambrian)". archaeocyatha.infosyslab
Sekwicyathus_nahanniensis
Fifth stage of Cambrian and first stage of the Miaolingian
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Wuliuan
Australian geologist and explorer of the Antarctic (1882–1958)
mineralisation and its relationship with the limestone bearing the Archaeocyatha (marine sponge) fossils (about which Taylor later wrote a major monograph)
Douglas_Mawson
Unnamed 2nd series of the Cambrian
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Cambrian_Series_2
Final stage of the Cambrian Period
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Cambrian_Stage_10
Process by which living organisms produce minerals
aragonite) Foraminifera Coccolithophores Calcareous sponge spicules Corals Archaeocyatha Bryozoans Brachiopod and mollusc shells Echinoderms Serpulidae Silica
Biomineralization
Index of zoological literature
Protozoa 2. Protozoa 3. Reptilia 3. Aves 3. Porifera 3. Porifera & Archaeocyatha 4. Pisces 4. Reptilia & Batrachia 4. Coelenterata 4. Coelenterata &
The_Zoological_Record
Second age of the Miaolingian epoch
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Drumian
Class of sponge-like animals
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Radiocyatha
The Sinsk Event devastated reef-associated faunas, particularly the archaeocyatha sponges, which had dominated Cambrian reefs, along with corallimorphs
Sinsk_Event
American geologic formation
the Monola Formation. The Mule Spring Limestone contains examples of Archaeocyatha, a clade of sponges that went extinct during this time, as well as a
Mule_Spring_Limestone
Moore, R. C. (ed.), Treatise on Invertebrate Paleontology, Part E, Archaeocyatha and Porifera, pp. 21–112. David John de Laubenfels Written at Portland
Max_Walker_de_Laubenfels
Order of sponges
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Minchinellidae
Marine animals without a vertebral column
Species. Retrieved 18 July 2012. Rowland, S. M. & Stephens, T. (2001). "Archaeocyatha: A history of phylogenetic interpretation". Journal of Paleontology
Marine_invertebrates
Stage of the Cambrian period
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Cambrian_Stage_4
Seventh stage of the Cambrian and third stage of the Miaolingian
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Guzhangian
Australian geologist and palaeontologist (1907–1997)
New York, 9. Hill, D., 1972. Archaeocyatha. In : Treatise on invertebrate palaeontology, Part E, Vol. 1 (of 2), Archaeocyatha, 2nd ed., Teichert, C. (ed
Dorothy_Hill
Order of sponges
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Sphaerocoeliidae
Swedish chain of table mountains
averaging over 25 metres in thickness, contains fossils of cephalopods, archaeocyatha, brachiopods, trilobites, graptolites, corals, and crustacean ostracodes
Västgötabergen
British explorer (1880–1963)
focused on the Ajax Mine Fossil Reef, led to two published papers on Archaeocyatha, in 1908 and 1910, the latter being a landmark paleontological monograph
Thomas_Griffith_Taylor
Ajacicyathida is a prehistoric order of sponges in the class Archaeocyatha. It was described in 1939, and is known from the Early Cambrian. In addition
Ajacicyathida
Family of extinct molluscs
Russian) Debrenne, F.; Rozanov, A.Y.; Webers, G.E. (1984). "Upper Cambrian Archaeocyatha from Antarctica". Geological Magazine. 121 (4): 291–299. Bibcode:1984GeoM
Halkieriid
Two extinction intervals that occurred during Stages 4 and 5 of the Cambrian Period
Retrieved 2008-08-01. Debrenne, Françoise (1991). "Extinction of the Archaeocyatha". Historical Biology. 5 (2–4): 95–106. doi:10.1080/10292389109380393
End-Botomian_mass_extinction
Group of sponges
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Heteractinida
Order of sponges
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Stellispongiida
Class of sponges
Volumes 4 & 5: Hypercalcified Porifera, Paleozoic Stromatoporoidea & Archaeocyatha, liii + 1223 p., 665 figs., 2015, available here. ISBN 978-0-9903621-2-8
Cribricyatha
Geological formation in China
uniseriatus Archaeocyatha One of the earliest known sponges, and the earliest known archaeocyath Sinocyathus S. biseriatus Archaeocyatha One of the earliest
Kuanchuanpu_Formation
Ediacaran Urusis Formation Namibia A sponge, possibly a member of Archaeocyatha and Monocyathida. The type species is A. germsi. Aulacera vohilaidia
2024_in_paleontology
List of paleobiota
P. sp. Many specimens The most common sponge in the Guanshan Biota. Archaeocyatha indet? Unapplicable Two specimens Unusually similar to vauxiid sponges
List of Guanshan Biota species
List_of_Guanshan_Biota_species
Limestone formation in Antarctica
Debrenne, F.; Rozanov, A. Y.; Webers, G. F. (1984), "Upper Cambrian archaeocyatha from Antarctica", Geological Magazine, 121 (4): 291–299, Bibcode:1984GeoM
Minaret_Formation
Extinct genus of trilobites
Altaye-Sayanskoy skladchatoy oblasti [Lower Cambrian stratigraphy and archaeocyatha of the Altay-Sayan fold belt]". Trudy Instituta Geologii I Geofiziki
Mallagnostus
Fossilised Precambrian life forms
Arimasia Runnegar et al. 2024 Porifera Early sponge, possibly a member of Archaeocyatha Namibia Arkarua Gehling 1987 Echinodermata? Has 5-sided symmetry similar
List_of_Ediacaran_genera
Extinct genus of Cambrian organisms
Cambrian PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Porifera Clade: †Archaeocyatha Genus: †Rosnaiella F. Doré, 1969
Rosnaiella
F. Debrenne, A. Y. Rozanov, and G. F. Webers. 1984. Upper Cambrian archaeocyatha from Antarctica. Geological Magazine 121(4):291-299 M. E. Dettmann and
List of fossiliferous stratigraphic units in Antarctica
List_of_fossiliferous_stratigraphic_units_in_Antarctica
et al. Cambrian (Fortunian) Kuanchuanpu Formation China A member of Archaeocyatha belonging to the group Ajacicyathida. The type species is P. uniseriatus
2025_in_paleontology
Geologic formation in Nevada, United States
Skolithos, a type of burrow trace fossil. It also contains some examples of Archaeocyatha, a clade of sponges that went extinct during this time. Earth sciences
Carrara_Formation
Chinese regional subdivision of the Cambrian
Orsten Fauna ← Dresbachian extinction ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota
Canglangpuian
Extinct genus of sponges
Moore, Raymond C. (ed.). Treatise on Invertebrate Paleontology Part E: Archaeocyatha and Porifera. Conway Morris, S. (1978). "Laggania cambria Walcott: A
Capsospongia
Cambrian Lagerstätte in Greenland
tenuis A hyolith Trapezovitus Indeterminate Orthothecida Hyolithida Archaeocyatha Indeterminate A sponge Choia C. cf. carteri A sponge Constellatispongia
Sirius_Passet
Canadian geologist (1923–2016)
these samples contained a sponge reef fauna which included a species of Archaeocyatha that had not yet been formally described. Fortunately for Roots, on
Fred_Roots
Geology of the area in California and Nevada
region's first known fossils of complex life: Ediacara fauna, trilobites, archaeocyathas, and primitive echinoderm burrows have been found in the Wood Canyon
Geology of the Death Valley area
Geology_of_the_Death_Valley_area
Geology in Antarctica
Arthropoda, Mollusca, Brachiopoda, Hyolitha, Echinodermata, Pisces, and Archaeocyatha. The feather-edge at Springer Peak was sandwiched between the feeble
Geology of the Ellsworth Mountains
Geology_of_the_Ellsworth_Mountains
aranosensis Sp. nov Valid Perejón et al. Early Cambrian Namibia A member of Archaeocyatha. Didymograptellus kremastus Sp. nov Valid Vandenberg Ordovician (Floian)
2018_in_paleontology
Australia A member of Archaeocyatha. Nochoroicyathus sublimus Sp. nov Valid Kruse & Debrenne Cambrian Australia A member of Archaeocyatha. Paranacyathus arboreus
2020_in_paleontology
petri Sp. nov Valid Sundukov & Zhuravlev Cambrian Russia A member of Archaeocyatha belonging to the family Cryptoporocyathidae. Cavispongia scarpai Sp
2016_in_paleontology
of Cambrian sponge reefs: the case for active suspension feeding in Archaeocyatha". Royal Society Open Science. 10 (11). 230766. Bibcode:2023RSOS...1030766G
2023_in_paleontology
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