Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Dicoelosia jonesridgensis

Rhynchonellata - Orthida - Dicoelosiidae

Taxonomy
Dicoelosia jonesridgensis was named by Ross and Dutro (1966) [= Dicoelosia sp. Dutro & Ross 1964 53.].

Sister species lacking formal opinion data

Synonymy list
YearName and author
1966Dicoelosia jonesridgensis Ross and Dutro
2012Dicoelosia jonesridgensis Rasmussen et al. p. 45 figs. Plate 13, figures 10–12

Is something missing? Join the Paleobiology Database and enter the data

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
suborderDalmanellidinaMoore 1952
superfamilyDalmanelloideaSchuchert 1913
familyDicoelosiidaeCloud 1948
genusDicoelosia
speciesjonesridgensisRoss and Dutro 1966

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.

Dicoelosia jonesridgensis Ross and Dutro 1966
show all | hide all
Diagnosis
ReferenceDiagnosis
C. M. O. Rasmussen et al. 2012Shell small, concavo-convex in profile and bilobate in outline, about 90% as long as wide. Cardinal angles obtuse; maximum width near anterior margin; anterior commissure strongly uniplicate. Ventral valve evenly convex. Interarea relatively high, short and strongly apsacline; delthyrium high and relatively narrow. Dorsal valve concave. Notothyrium open and relatively wide. Ornamentation weakly costate. Internal features not preserved except for a dorsal median septum.
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Adult height: 1.0 to < 10g
Thickness: intermediateg
Folds: minorg
Ribbing: minorg
Spines: noneg
Internal reinforcement: minorg
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-03-06 07:08:25
Modified: 2009-03-06 09:08:25
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004

Age range: base of the Ashgill to the top of the Cautleyan or 449.50000 to 445.60000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Rawtheyan - Pusgillian455.8 - 445.6USA (Alaska) Dicoelosia jonesridgensis (164855)
Onnian - Cautleyan452.0 - 445.6Belgium Dicoelosia jonesridgensis (185313)
Ashgill449.5 - 443.7USA (Alaska) Dicoelosia jonesridgensis (163113)
Ashgill449.5 - 443.7USA (California) Dicoelosia jonesridgensis (100546)
Ashgillian449.5 - 443.7USA (California) Dicoelosia jonesridgensis (99692 99696 99697 99698 100637 100639)