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Fredericksolasma

Rhynchonellata - Terebratulida - Pseudodielasmatidae

Synonymy list
YearName and author
2001Fredericksolasma Smirnova p. 144
2004Fredericksolasma Chen p. 64

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderTerebratulida
suborderTerebratulidina
superfamilyDielasmatoideaSchuchert 1913
familyPseudodielasmatidae
genusFredericksolasma

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. †Fredericksolasma Smirnova 2001
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†Fredericksolasma darvasica Tschernyschew 1914
†Fredericksolasma lata Licharew 1939
†Fredericksolasma rhomboidalis Smirnova and Grunt 2003
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height287.993.5012.68.302.26

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: low-level epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:14:12
Modified: 2018-11-10 17:47:38
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 252.17000 Ma

Collections (63 total)


Time interval Ma Country or state Original ID and collection number
Asselian298.9 - 295.5China F. sublaevis (35512)
Asselian298.9 - 295.5China (Xinjiang) F. sublaevis (105227 105228)
Sakmarian293.52 - 290.1China (Guangxi) Beecheria sublaevis (134321)
Artinskian290.1 - 279.3China (Guangxi) Beecheria sublaevis (134332)
Kungurian279.3 - 272.3China (Guangxi) Beecheria sublaevis (121082)
Kungurian279.3 - 272.3Tajikistan F. darvasica (42911) F. lata (42913 182703) F. lata, F. rhomboidalis (182705 182706 182708) F. sp. (182702) F. sp., F. lata, F. rhomboidalis (182707)
Roadian272.3 - 268.8Kyrgyzstan F. lata (109485)
Roadian272.3 - 268.8Afghanistan Dielasma darvasicum (88402)
Wordian266.9 - 264.28Pakistan Dielasma nummulus (125810) Hemiptychina sublaevis (81501 81503 119817) Hemipytchina sublaevis (125813 125814 125820 125822 125823 125825 125830 125836 125837 125843 125845 125849 125851 125853 125854 125859 125861 125869) Hemipytchina sublaevis, Dielasma nummulus (125812)
Wordian266.9 - 264.28Iran Hemiptychina sublaevis (118135 118137)
Wordian266.9 - 264.28China (Nei Mongol) Beecheria sublaevis (109179)
Capitanian264.28 - 259.51Pakistan Dielasma darvasicum, Dielasma nummulus (127032) Dielasma nummulus (119552 125867 125882 125883 127001) Hemipytchina sublaevis (127002) Hemipytchina sublaevis, Dielasma nummulus (127033)
Wuchiapingian259.9 - 254.17Tajikistan F. rhomboidale (42917)
Wuchiapingian259.9 - 254.17China (Guizhou) Dielasma nummulus (136250)
Wuchiapingian259.9 - 254.17China (Guangxi) Dielasma nummulus (112366 112399)
Wuchiapingian259.9 - 254.17Pakistan Dielasma nummulus (125897 125902 125910 126343 126692)
Changhsingian254.17 - 252.17China (Chongqing) Beecheria sublaevis (94984)
Changhsingian254.17 - 252.17China (Xizang) Dielasma nummulus (187544 187558)
Changhsingian254.17 - 252.17China (Hunan) Beecheria sublaevis, Dielasma nummulus (105918)