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Margarettidae

Gymnolaemata - Cheilostomata - Margarettidae

Taxonomy
Margarettidae was named by Harmer (1957).

It was assigned to Cheilostomata by Bock (2006); and to Schizoporelloidea by Guha and Gopikrishna (2007) and Di Martino and Taylor (2015).

Subtaxa
Margaretta

Synonymy list
YearName and author
1957Margarettidae Harmer
2006Margarettidae Bock
2007Margarettidae Guha and Gopikrishna
2015Margarettidae Di Martino and Taylor

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
RankNameAuthor
phylumBryozoaEhrenberg 1831
classGymnolaemataAllman 1856
orderCheilostomataBusk 1859
suborderNeocheilostominad'Hondt 1985
superfamilySchizoporelloideaJullien 1883
familyMargarettidaeHarmer 1957
familyMargarettidaeHarmer 1957

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.

Fm. †Margarettidae Harmer 1957
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†Margaretta amitabhae Di Martino and Taylor 2015
†Margaretta fusiformis Guha and Gopikrishna 2007
Margaretta gracilior Ortmann 1892
†Margaretta rajui Guha and Gopikrishna 2007
Margaretta tenuis Harmer 1957
Margaretta watersi Canu and Bassler 1930
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitef
Composition 2: aragonitef
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Reproduction: oviparouso
Brooding: yeso
Comments: 68.3% calcite with mean weight-% MgCO3=8 based on 8 specimensf
Created: 2008-02-26 05:44:42
Modified: 2008-02-26 07:44:42
Source: f = family, o = order, c = class, uc = unranked clade
References: Smith et al. 2006, Nesnidal et al. 2013

Age range

Maximum range based only on fossils: base of the Aquitanian to the top of the Calabrian or 23.03000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma

Collections (19 total)


Time interval Ma Country or state Original ID and collection number
Aquitanian23.03 - 20.44India (Gujarat) Margaretta fusiformis, Margaretta rajui (177173)
Aquitanian - Burdigalian23.03 - 15.97Colombia Margaretta buski (211329 211330)
Early/Lower Miocene23.03 - 15.97India Margaretta fusiformis (178703) Margaretta fusiformis, Margaretta rajui (178702)
Burdigalian20.44 - 15.97Indonesia Margaretta gracilior, Margaretta tenuis (173651)
Burdigalian20.44 - 15.97India (Gujarat) Margaretta fusiformis (177172)
Burdigalian - Langhian20.44 - 13.82Indonesia Margaretta amitabhae (173652)
Middle Miocene15.97 - 11.608Romania Margaretta cereoides (178089)
Middle Miocene15.97 - 11.608Czech Republic Margaretta cereoides (178890 178895 178902)
Serravallian13.82 - 11.62Indonesia Margaretta watersi (173647)
Tortonian11.62 - 7.246Panama (Colon) Margaretta buski (145580)
Early/Lower Pliocene5.333 - 3.6Greece (Rhodes) Margaretta cereoides (122994)
Gelasian2.588 - 1.806Greece Margaretta cereoides (71243)
Calabrian1.8 - 0.774Costa Rica (Limon) Margaretta buski (79835 79842 79845)