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Gymnolaemata - Cheilostomata - Gigantoporidae

Synonymy list
YearName and author
1935Gigantoporidae Bassler
1935Gigantoporidae Canu and Bassler
1952Gigantoporidae Brown
1958Gigantoporidae Brown
1962Gigantoporidae Cheetham p. 328
1997Gigantoporidae Lee et al.
2003Gigantoporidae Schmidt
2006Gigantoporidae Bock
2007Gigantoporidae Guha and Gopikrishna
2015Gigantoporidae Di Martino and Taylor
2015Gigantoporidae Gordon and Taylor

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EubilateriaAx 1987
phylumBryozoaEhrenberg 1831
classGymnolaemataAllman 1856
orderCheilostomataBusk 1859
familyGigantoporidaeBassler 1935
familyGigantoporidaeBassler 1935

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

No diagnoses are available
No measurements are available
Composition: aragonitef
Composition 2: low Mg calcitef
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Reproduction: oviparouso
Brooding: yeso
Comments: 28.6% calcite on average (mean weight-% MgCO3=4)f
Created: 2008-02-26 05:19:13
Modified: 2008-02-26 07:19:13
Source: f = family, o = order, c = class
Reference: Smith et al. 2006

Age range

Maximum range based only on fossils: base of the Early/Lower Eocene to the top of the Calabrian or 55.80000 to 0.78100 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma

Collections (24 total)

Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene55.8 - 48.6New Zealand (Chatham Island) Gigantopora modesta, Gigantopora grandis (172944)
Middle Eocene48.6 - 37.2India Cosciniopsis parilis (178699)
Lutetian47.8 - 41.3India (Gujarat) Cosciniopsis parilis (177176)
Bartonian41.3 - 38.0USA (Florida) Gigantopora cyclops (7324)
Priabonian38.0 - 33.9New Zealand (North Otago) Cosciniopsis sp. (172816)
Oligocene33.9 - 23.03India Cosciniopsis tuberosa (178701)
Oligocene33.9 - 23.03New Zealand (North-West Nelson) Dightonia inarmata, Gigantopora polymorpha (173837)
Rupelian - Chattian33.9 - 23.03India (Gujarat) Cosciniopsis tuberosa (177174)
Oligocene - Miocene33.9 - 5.333Australia (Victoria) Gigantopora columnata (173510) Gigantopora tuberculosa (173512)
Chattian28.1 - 23.03Australia (Victoria) Gigantopora elongata (174148) Gigantopora hexagonalis, Gigantopora perforata, Gigantopora minutiporosa (174147) Gigantopora minutiporosa (174143)
Miocene - Oligocene23.03 - 23.03Australia (Victoria) Gigantopora cribraria (173519) Gigantopora sp. (173502) Gigantopora tuberculosa (173504 173506)
Burdigalian - Langhian20.44 - 13.82Indonesia Cosciniopsis sp. A (145215)
Langhian15.97 - 13.82Australia (Victoria) Gigantopora hystrix, Gigantopora hexagonalis, Gigantopora perforata, Gephyrophora bilamellaria (174139)
Middle Miocene15.97 - 11.608Australia (Victoria) Gephyrophora marginopora, Gigantopora cribraria (166365)
Serravallian13.82 - 11.62Indonesia Gigantopora milenae (173650 173658)
Pliocene5.333 - 2.588New Zealand Gigantopora biturrita (173737)
Calabrian1.806 - 0.781Costa Rica (Limon) Gigantopora fenestrata (79845)