PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Derbyia duomaensis

Strophomenata - Orthotetida - Derbyiidae

Taxonomy

Paraderbyia duomaensis was named by Sun (1983). It is a 3D body fossil. Its type locality is Tuotala Mountain section, Duoma, Rutog, which is in an Artinskian carbonate limestone in the Tunlonggongba Formation of China.

It was recombined as Derbyia duomaensis by Clapham (2015).

Sister species lacking formal opinion data

D. ciscoensis, D. crassa, D. cymula, D. deercreekensis, D. hemisphaerica, D. hemisphaerica, D. hindi, D. jacksborosis, D. kansasensis, D. magna, D. plattsmouthensis, D. robusta, D. subcircularis, D. texana, D. wabashensis

Synonymy list

Year	Name and author
1983	Paraderbyia duomaensis Sun p. 121 figs. Pl 15, figs 5-8; text-figs 1,2
2015	Derbyia duomaensis Clapham

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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	Strophomenata	Williams et al 1996
order	Orthotetida	Waagen 1884
suborder	Orthotetidina
superfamily	Orthotetoidea	()
family	Derbyiidae
genus	Derbyia
species	duomaensis	()

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.

†Derbyia duomaensis Sun 1983

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitep

Environment:

marineuc

Locomotion:

stationaryp

Attached:

yesp

Life habit:

low-level epifaunalp

Diet:

suspension feederp

Vision:

blindc

Created:

2010-02-15 05:25:57

Modified:

2010-02-15 07:25:57

Source: c = class, p = phylum, uc = unranked clade

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

Age range: Artinskian or 290.10000 to 283.30000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Artinskian	290.1 - 283.3	China (Xizang)	Paraderbyia duomaensis (type locality: 109646)