PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Derbyia laqueata

Strophomenata - Orthotetida - Derbyiidae

Taxonomy

Derbyia laqueata was named by Cooper and Grant (1974). Its type specimen is USNM 151090c, a shell (Articulated shell), and it is not a trace fossil.

Sister species lacking formal opinion data

D. ciscoensis, D. deercreekensis, D. kansasensis, D. plattsmouthensis, D. robusta, D. senilis

Synonymy list

Year	Name and author
1974	Derbyia laqueata Cooper and Grant pp. 304-306 figs. Pl 74, figs 1-26; pl 75, figs 1-9

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

Rank	Name	Author
phylum	Brachiopoda	Cuvier 1805
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Strophomenata	Williams et al 1996
order	Orthotetida	Waagen 1884
superfamily	Orthotetoidea
family	Derbyiidae
genus	Derbyia
species	laqueata

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 laqueata Cooper and Grant 1974

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Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	15	11.0	2.40	27.4	13.0	7.59

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

Age range: base of the Kungurian to the top of the Roadian or 279.30000 to 268.80000 Ma

Collections (58 total)

Time interval	Ma	Country or state	Original ID and collection number
Artinskian - Kungurian	290.1 - 272.3	USA (Texas)	Derbyia laqueata (75927)
Kungurian	279.3 - 272.3	USA (Texas)	Derbyia laqueata (43491 43492 43494 43495 43498 43501 43504 43510 43513 43514 43515 43516 43517 43582 44565 81638 81651 101785 101811 105687 105746 105848 105879 105931 105935 105938 105940 106121)
Roadian	272.3 - 268.8	USA (Texas)	Derbyia laqueata (43465 43512 43518 43563 43598 43613 81639 81671 101781 101783 101793 101807 102604 102606 102607 102610 102611 102616 102621 105742 105743 105807 105814 105822 105851 105874 105875 105927 106109)