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

Spirigerella subtriangularis

Rhynchonellata - Athyridida - Athyrididae

Taxonomy
Composita subtriangularis was named by Reed (1927).

It was recombined as Athyris subtriangularis by Huang (1933) and Tong (1978); it was recombined as Spirigerella subtriangularis by Clapham (2015).

Synonymy list
YearName and author
1927Composita subtriangularis Reed
1933Athyris subtriangularis Huang p. 74 figs. Pl 10, figs 25, 26
1978Athyris subtriangularis Tong p. 248 figs. Pl 86, fig 16
1995Composita subtriangularis Zeng et al. figs. Pl 19, figs 6,7
2015Spirigerella subtriangularis Clapham

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
orderAthyrididaBoucot et al. 1964
suborderAthyrididinaBoucot et al. 1964
superfamilyAthyridoideaMcCoy 1844
familyAthyrididaeMcCoy 1841
subfamilySpirigerellinae
genusSpirigerella
speciessubtriangularis(Reed 1927)

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.

show all | hide all
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height27.907.808.007.900.141

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationarysubo
Attached: yesp
Life habit: low-level epifaunalsubo
Diet: suspension feedersubo
Vision: blindc
Created: 2018-11-10 18:06:04
Modified: 2018-11-10 18:06:04
Source: subo = suborder, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Kungurian to the top of the Capitanian or 279.30000 to 259.51000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3China (Sichuan) Composita subtriangularis (153928)
Kungurian279.3 - 272.3China (Chongqing) Athyris subtriangularis (103475)
Wordian266.9 - 264.28Iran Composita subtriangularis (112909)
Wordian266.9 - 264.28China (Chongqing) Composita subtriangularis (131986 131987)
Wordian266.9 - 264.28China (Sichuan) Athyris subtriangularis (135834) Composita subtriangularis (153935)
Capitanian264.28 - 259.51Pakistan Athyris subtriangularis (127033)
Capitanian264.28 - 259.51China (Sichuan) Composita subtriangularis (153936)