PBDB Taxon

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

Bairdia deweveri

Ostracoda - Podocopida - Bairdiidae

Taxonomy

Bairdia deweveri was named by Crasquin (2010). Its type specimen is P6M2536, a carapace, and it is a 3D body fossil. Its type locality is Meishan 04D11-2, Bed 11, Meishan D, which is in a Changhsingian offshore ramp lime mudstone in the Changxing Formation of China.

Sister species lacking formal opinion data

B. africana, B. altifrons, B. anomala, B. antamputata, B. auricula, B. austriaca, B. billjohnsoni, B. birinae, B. bradfieldi, B. cassiana, B. ciscoensis, B. colonensis, B. condylus, B. confragosaeformis, B. crebra, B. croneisi, B. croskeina, B. cultrijugati, B. dissortis, B. dolicha, B. egorovi, B. eleziana, B. eleziana, B. exoura, B. fabaeformis, B. fusca, B. gibbosa, B. gosportensis, B. haworthi, B. hilda, B. hisingeriformis, B. hispida, B. hiwannensis, B. hondurasensis, B. isoscelata, B. kaschewarovae, B. kawakensis, B. kelleri, B. kinderhookensis, B. knuepferi, B. legumen, B. longisetosa, B. manifesta, B. meishanensis, B. moorei, B. mucronata, B. multihilosa, B. nitida, B. oklahomensis, B. opisthorhadina, B. paraproba, B. peneovoidea, B. philippovae, B. pinnula, B. proxischimensis, B. psiegorkiensis, B. rectifrontis, B. singularis, B. soldadensis, B. subcitriformis, B. subeleziana, B. subvexa, B. summa, B. turgida, B. urodeliformis, B. virga, B. feliumgibba, B. pompillioides, B. gliberti

Synonymy list

Year	Name and author
2010	Bairdia deweveri Crasquin p. 342 figs. 7O-T
2017	Bairdia deweveri Chitnarin p. 666 figs. 11A,B, 12A-C

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997

Rank	Name	Author
—	Hymenostraca	(Rolfe 1969)
superclass	Oligostraca	Zrzavý et al. 1997
class	Ostracoda
subclass	Podocopa	Sars 1865
order	Podocopida	Sars 1866
suborder	Bairdiocopina	Grundel 1967
superfamily	Bairdioidea	(Sars 1888)
family	Bairdiidae	Sars 1888
genus	Bairdia
species	deweveri

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.

†Bairdia deweveri Crasquin 2010

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Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
carapace height	9	0.398	0.290	0.560	0.380	0.100
valve height	4	0.307	0.270	0.338	0.313	0.031

Composition:

low Mg calcitec

Environment:

hypersaline, marine, brackish, freshwaterc

Locomotion:

actively mobilec

Life habit:

epifaunalo

Diet:

detritivoreo

Diet 2:

grazero

Vision:

limitedc

Created:

2010-02-05 02:00:00

Modified:

2010-02-23 23:16:56

Source: o = order, c = class

References: Kiessling 2004, Jell and Adrain 2002

Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 251.90200 Ma

Collections (43 total)

Time interval	Ma	Country or state	Original ID and collection number
Asselian	298.9 - 293.52	Thailand	Bairdia deweveri (137891)
Asselian - Sakmarian	298.9 - 290.1	Thailand	Bairdia deweveri (137896 137899 137900)
Wordian	266.9 - 264.28	Thailand	Bairdia deweveri (223979)
Changhsingian	254.14 - 251.902	China (Zhejiang)	Bairdia deweveri (type locality: 97896 97898 97902 97905 97909 97910 97912 97915 97916 97918 97920 97921 97922 97926 97927) Bairdia galei (117642 117660 117665 117669 117670 117671 117673) Bairdia trianguliformis (117575 117576 117580 117590 117598 117625 117653 117666) Bairdia trianguliformis, Bairdia galei (117597)
Changhsingian	254.14 - 251.902	Serbia	Bairdia deweveri (112046 112047 112048 112049)
Changhsingian	254.14 - 251.902	Italy	Bairdia galei (84132 84133 84134)