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Rhynchonellata - Terebratulida - Dielasmatidae

Synonymy list
YearName and author
1913Dielasmatidae Schuchert
1974Dielasmatidae Brunton and Champion p. 837
2002Dielasmatidae Feldman p. 37
2006Dielasmatidae Chen and Shi p. 38
2006Dielasmatidae Williams et al. p. 2029
2017Dielasmatidae Feldman p. 91

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phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
superfamilyDielasmatoideaSchuchert 1913
familyDielasmatidaeSchuchert 1913
familyDielasmatidaeSchuchert 1913

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.

No diagnoses are available
shell height14.20

Composition: low Mg calcitep
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
Reference: Aberhan et al. 2004

Age range: base of the Eifelian to the top of the Sevatian or 393.30000 to 205.60000 Ma

Collections (1276 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Eifelian393.3 - 387.7Germany Dielasma sp. (127762)
Early/Lower Famennian376.1 - 370.6China Dielasma corculum, Dielasma kingi (162317)
Late/Upper Famennian364.7 - 360.7China Dielasma corcula, Dielasma kingi (162314) Dielasma corculum, Dielasma kingi (162315)
Kinderhookian360.7 - 353.8Canada (Alberta) Dielasma sp. (8610)
Kinderhookian360.7 - 353.8USA (Texas) Dielasma sp. (62494 62497)
Kinderhookian360.7 - 353.8USA (Montana) Dielasma sp. (545 7311)
Kinderhookian360.7 - 353.8Canada (Yukon) Dielasma sp. (546)
Kinderhookian360.7 - 353.8USA (Iowa) Dielasma sp. (62482)
Kinderhookian - Osagean360.7 - 342.8USA (Utah) Dielasma formosum (13361)
Tournaisian358.9 - 346.7Ireland Dielasma hastatum, Dielasma kingi, Dielasma sp. (76501 76515)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Norian228.0 - 208.5East Timor Dielasma julicum (21182)
Norian - Rhaetian228.0 - 201.3Tajikistan Adygella biplicata (127943)
Norian - Rhaetian228.0 - 201.3Russian Federation Adygella biplicata (127945 127964 128266) Adygella labensis (128097)
Lacian221.5 - 215.56China (Xizang) Cruratula beyrichii (110254) Tibetothyris julica (110216) Tibetothyris julica, Tibetothyris depressa (110253)
Lacian221.5 - 215.56Austria Adygella biplicata (66932)
Lacian221.5 - 215.56China (Yunnan) Adygella pentagonalis, Adygella circulata (132565)
Alaunian215.56 - 212.0China (Xizang) Sulcatinella dorsaplana (132640)
Sevatian212.0 - 205.6Serbia and Montenegro Coenothyris radulovici (56636 56800)
Rhaetian208.5 - 201.3Papua New Guinea (Western Highland) Dielasma elongatum, Dielasma itaitubense (42523) Dielasma itaitubense (42520 42524)
Rhaetian208.5 - 201.3New Zealand Dielasma sp. (50760)