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Laxifenestella exserta

Stenolaemata - Cryptostomata - Fenestellidae

Taxonomy
Fenestella exserta was named by Laseron (1918). Its type specimen is AM F20199 and is a 3D body fossil. Its type locality is Branxton railway cutting, which is in a Roadian offshore shale in the Branxton Formation of Australia.

It was recombined as Fenestrellina exserta by Crockford (1941); it was recombined as Laxifenestella exserta by Reid (2003).

Sister species lacking formal opinion data
L. capillosa, L. texana

Synonymy list
YearName and author
1918Fenestella exserta Laseron p. 195 figs. Pl 7, figs 1,2; pl 12
1941Fenestrellina exserta Crockford p. 403
2003Laxifenestella exserta Reid p. 16 fig. 8

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
phylumBryozoaEhrenberg 1831
RankNameAuthor
classStenolaemataBorg 1926
orderCryptostomataVine 1884
suborderFenestelloidea
suborderFenestellinaAstrova and Morozova 1956
familyFenestellidae
subfamilyFenestellinaeKing 1849
genusLaxifenestella
speciesexserta(Laseron 1918)

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.

†Laxifenestella exserta Laseron 1918
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitef
Environment: marineuc
Locomotion: stationaryc
Attached: yesc
Life habit: epifaunalp
Diet: suspension feederc
Vision: blindc
Created: 2008-02-27 02:34:38
Modified: 2008-02-27 04:34:38
Source: f = family, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Kiessling 2004, Smith et al. 2006

Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 268.80000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Artinskian290.1 - 279.3Svalbard and Jan Mayen Fenestella exserta (212504)
Roadian272.3 - 268.8Australia (New South Wales) Fenestrellina exserta (37634 type locality: 90388 90393 106676) Laxifenestella exserta (97265 97266 116589 116592)