PBDB Taxon

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

Juxathyris zhijinensis

Rhynchonellata - Athyridida - Athyrididae

Taxonomy

Araxathyris zhijinensis was named by Liao (1980). Its type specimen is NIGP 43762 and is a mold. Its type locality is Pingqiao P-2, Zhijin County, which is in a Changhsingian marine horizon in China.

It was recombined as Juxathyris zhijinensis by Shen et al. (2004).

Sister species lacking formal opinion data

J. guizhauensis

Synonyms

Athyris triangularis was named by Shen et al. (1992).

It was synonymized subjectively with Juxathyris zhijinensis by Shen et al. (2004).

Synonymy list

Year	Name and author
1980	Araxathyris zhijinensis Liao p. 267 figs. Pl 8, figs 52,53
1992	Athyris triangularis Shen et al. p. 187 figs. Pl 4, figs 49-51
1995	Araxathyris zhijinensis Zeng et al. figs. Pl 19, fig 14
2004	Juxathyris zhijinensis Shen et al. p. 897 figs. 8.42-8.54,15

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

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
—	Lophophorata
—	Panbrachiopoda	Carlson and Cohen 2020
phylum	Brachiopoda	Cuvier 1805

Rank	Name	Author
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Rhynchonellata	Williams et al. 1996
order	Athyridida	Boucot et al. 1964
suborder	Athyrididina	Boucot et al. 1964
superfamily	Athyridoidea	McCoy 1844
family	Athyrididae	McCoy 1841
subfamily	Transcaucasathyriinae
genus	Juxathyris
species	zhijinensis	()

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.

†Juxathyris zhijinensis Liao 1980

show all | hide all

Invalid names: Athyris triangularis Shen et al. 1992 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	3	15.3	13.0	17.6	15.7	2.31

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: Changhsingian or 254.14000 to 251.90200 Ma

Collections (11 total)

Time interval	Ma	Country or state	Original ID and collection number
Changhsingian	254.14 - 251.902	China (Guizhou)	Araxathyris zhijinensis (type locality: 111972 117482)
Changhsingian	254.14 - 251.902	China (Chongqing)	Araxathyris zhijinensis (94969 94977 148542 149259 149267 156863) Athyris triangularis (94984 94985)
Changhsingian	254.14 - 251.902	China (Hunan)	Juxathyris zhijinensis (52157)