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Perigastrella

Gymnolaemata - Cheilostomata - Romancheinidae

Taxonomy
Perigastrella was named by Canu and Bassler (1917) [Sepkoski's age data: T Than R Sepkoski's reference number: 2,1066]. It is extant.

It was assigned to Phylactellidae by Bassler (1953) and Cheetham (1962); to Cheilostomata by Sepkoski (2002); and to Romancheinidae by Bock (2006).

Species lacking formal opinion data
P. oscitans

Synonymy list
YearName and author
1917Perigastrella Canu and Bassler
1953Perigastrella Bassler p. G218
1962Perigastrella Cheetham p. 334
2002Perigastrella Sepkoski
2006Perigastrella Bock

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
phylumBryozoaEhrenberg 1831
RankNameAuthor
classGymnolaemataAllman 1856
orderCheilostomataBusk 1859
suborderFlustrina(Smitt 1868)
infraorderUmbonulomorphaGordon 1989
superfamilyLepralielloideaVigneaux 1949
familyRomancheinidaeJullien 1888
genusPerigastrellaCanu and Bassler 1917

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. Perigastrella Canu and Bassler 1917
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: intermediate Mg calcitef
Composition 2: aragonitef
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Reproduction: oviparouso
Brooding: yeso
Created: 2008-02-27 06:39:18
Modified: 2008-02-27 08:39:18
Source: f = family, o = order, c = class, uc = unranked clade
References: Smith et al. 2006, Nesnidal et al. 2013, Bock 2006

Age range: base of the Bartonian to the top of the Middle Miocene or 41.30000 to 11.60800 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Bartonian41.3 - 38.0USA (Florida) P. depressa (7321) P. ovoidea (7332) P. tubulosa, P. ovoidea (7330)
Bartonian41.3 - 38.0USA (Alabama) P. oscitans (7317) P. ovoidea, P. trapezoidea (7331)
Priabonian38.0 - 33.9USA (Mississippi) P. oscitans, P. rectilineata (84174)
Late/Upper Eocene37.2 - 33.9USA (Georgia) P. elegans (160397) P. sp. (90480)
Rupelian33.9 - 28.1USA (Alabama) P. ovoidea (90551) P. plana (90549 90563) P. plana, P. costellifera (90561 90562)
Rupelian33.9 - 28.1USA (Mississippi) P. plana (90565)
Middle Miocene15.97 - 11.608Czech Republic P. concinna (178898 178899)