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Petraliella

Gymnolaemata - Cheilostomata - Petraliidae

Taxonomy
Petraliella was named by Canu and Bassler (1927) [Sepkoski's age data: T Mi-u R Sepkoski's reference number: 1260]. It is extant.

It was assigned to Petraliidae by Canu and Bassler (1935), Brown (1952), Bassler (1953) and Brown (1958); to Cheilostomata by Sepkoski (2002); and to Petraliellidae by Guha and Gopikrishna (2007) and Guha (2013).

Synonymy list
YearName and author
1927Petraliella Canu and Bassler
1935Petraliella Canu and Bassler
1952Petraliella Brown
1953Petraliella Bassler p. G196
1958Petraliella Brown
2002Petraliella Sepkoski
2007Petraliella Guha and Gopikrishna
2013Petraliella Guha

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
RankNameAuthor
phylumBryozoaEhrenberg 1831
classGymnolaemataAllman 1856
orderCheilostomataBusk 1859
suborderNeocheilostominad'Hondt 1985
infraorderAscophorina(Levinsen 1909)
familyPetraliidaeLevinsen 1909
genusPetraliellaCanu and Bassler 1927

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.

G. Petraliella Canu and Bassler 1927
show all | hide all
†Petraliella biincisa Waters 1882
†Petraliella denticulata Canu and Bassler 1935
Petraliella firmata Waters 1887
†Petraliella megafera Guha and Gopikrishna 2007
†Petraliella tractifera Canu and Bassler 1935
Petraliella vultur Hincks 1882
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: intermediate Mg calciteo
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Reproduction: oviparouso
Brooding: yeso
Created: 2007-09-18 02:46:35
Modified: 2008-02-27 09:01:45
Source: o = order, c = class, uc = unranked clade
References: Nesnidal et al. 2013, Smith et al. 2006

Age range

Maximum range based only on fossils: base of the Oligocene to the top of the Early/Lower Pleistocene or 33.90000 to 0.78100 Ma
Minimum age of oldest fossil (stem group age): 23.03 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Oligocene - Miocene33.9 - 5.333Australia (Victoria) P. biincisa (173508)
Miocene - Oligocene23.03 - 23.03Australia (Victoria) P. biincisa (173517 173519 173522)
Aquitanian23.03 - 20.44India (Gujarat) P. megafera (177173)
Early/Lower Miocene23.03 - 15.97India P. megafera (178702)
Altonian19.0 - 15.9New Zealand P. firmata (173830)
Langhian15.97 - 13.82Australia (Victoria) P. corrugata (167299) P. vultur, P. tractifera, P. denticulata (174139)
Pliocene5.333 - 2.588New Zealand P. firmata (173737 173739 173740)
Piacenzian3.6 - 2.588Panama (Bocas) P. bisinuata (79989)
Early/Lower Pleistocene2.588 - 0.781Panama P. bisinuata (91912)
Calabrian1.8 - 0.774Costa Rica (Limon) P. bisinuata (79835 79842)