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Paralenorthis minusculus

Rhynchonellata - Orthida - Orthidae

Taxonomy
Orthis minusculus was named by Phleger (1933). It is a 3D body fossil. Its type locality is The Elbow of Mazourka Canyon, which is in a Whiterockian shallow subtidal limestone in the Badger Flat Formation of California.

It was recombined as Orthambonites minusculus by Cooper (1956), Greife and Langenheim (1963), Berry et al. (1979); it was recombined as Orthambonites minisculus by Ross (1970); it was recombined as Paralenorthis minusculus by Jaanusson and Bassett (1993).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1933Orthis minusculus Phleger, Jr. p. 7 figs. Plate II, FIgs. 6, 7
1956Orthambonites minusculus Cooper p. 305
1963Orthambonites minusculus Greife and Langenheim, Jr. p. 571 figs. Pl. 65, fig. 5
1970Orthambonites minisculus Ross
1979Orthambonites minusculus Berry et al. p. 103
1993Paralenorthis minusculus Jaanusson and Bassett

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyOrthidaeWoodward 1852
genusParalenorthisHavlicek and Branisa 1980
speciesminusculus()

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.

Paralenorthis minusculus Phleger, Jr. 1933
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: majorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-04 08:43:53
Modified: 2009-06-04 10:43:53
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009

Age range: Rangerian or 471.30000 to 470.30000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Rangerian471.3 - 470.3USA (Nevada) Orthambonites minisculus (297 104448 104450 104452 104453 104460)
Middle Ordovician471.3 - 458.2USA (California) Orthambonites minisculus (226920)
Whiterockian471.3 - 457.3USA (Nevada) Orthambonites minisculus (104446 104447 104449 104451) Orthambonites minusculus (80062 80069)
Whiterockian471.3 - 457.3USA (California) Orthis minusculus (119483 205649 219321 219326)