PBDB Taxon

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

Athyris ambiguaeformis

Rhynchonellata - Athyridida - Athyrididae

Taxonomy

Athyris ambiguaeformis was named by Waagen (1883).

Sister species lacking formal opinion data

A. acutirostris, A. amdrupi, A. area, A. balatonica, A. bayeti, A. cedarensis, A. chitralensis, A. cingulata, A. coloradensis, A. cora, A. crassicardinalis, A. davidsoni, A. expansa, A. fultonensis, A. gerolsteinensis, A. globula, A. gonicolpos, A. gradis, A. gurdoni, A. hannibalensis, A. hunanensis, A. juno, A. kaihikuana, A. kaisini, A. kutsingensis, A. lamina, A. lens, A. manzavinioides, A. minuta, A. mollizonota, A. multiplicata, A. murchisoni, A. odolens, A. oehlerti, A. parvirostra, A. pelapayensis, A. plicata, A. postconcentrica, A. reticulata, A. royssi, A. schloenbachi, A. sesquiplicata, A. simplex, A. subconcentrica, A. subcurvata, A. subtilita, A. sulcifera, A. supervittata, A. tau, A. tiaomachiensis, A. transversa, A. triplesioides, A. undata, A. vittara, A. vittata, A. waratahensis, A. wiragullensis, A. wreyi, A. zonulata, A. angelicoidea, A. bayeti, A. bisinuata, A. cedarensis, A. communis, A. cora, A. davidsoni, A. fultonensis, A. polita, A. simplex, A. spiriferiodes, A. vitatta, A. vittata, A. zonulata, A. wolfarti, A. capillata, A. capillata, A. capillata, A. capillata, A. capillata, A. capillata, A. capillata, A. pectinifera, A. pectinifera, A. globularis, A. globularis, A. globularis, A. protea, A. protea, A. protea, A. protea, A. protea, Spirigera expansa

Synonymy list

Year	Name and author
1883	Athyris ambiguaeformis Waagen p. 473 figs. Pl 38, fig 11

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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	Athyridinae	M'Coy 1844
genus	Athyris
species	ambiguaeformis

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.

†Athyris ambiguaeformis Waagen 1883

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Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	2	6.24	6.00	6.50	6.25	0.354

Composition:

low Mg calcitep

Entire body:

yesg

Adult length:

10 to < 100g

Adult width:

10 to < 100g

Adult height:

10 to < 100g

Folds:

minorg

Ribbing:

minorg

Spines:

noneg

Internal reinforcement:

noneg

Environment:

marineuc

Locomotion:

stationarysubo

Attached:

yesp

Life habit:

low-level epifaunalsubo

Diet:

suspension feedersubo

Vision:

blindc

Created:

2009-06-03 07:56:13

Modified:

2009-06-03 09:56:13

Source: g = genus, subo = suborder, c = class, p = phylum, uc = unranked clade

References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Wuchiapingian	259.51 - 254.14	Pakistan	Athyris ambiguaeformis (90253)
Changhsingian	254.14 - 251.902	Pakistan	Athyris ambiguaeformis (90251 119677 126934)