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Bairdia subcontracta

Ostracoda - Podocopida - Bairdiidae

Taxonomy
Bairdia subcontracta was named by Chen (1987). Its type specimen is NIGP 91655 and is a 3D body fossil. Its type locality is Meishan Ostracod Sample 42, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.

Sister species lacking formal opinion data
B. aculeata, B. acuminata, B. africana, B. altifrons, B. altodorsualis, B. amalthei, B. amygdaloidea, B. amygdaloides, B. anomala, B. antamputata, B. antillea, B. auricula, B. austriaca, B. bedfordensis, B. biacuta, B. bicornis, B. billjohnsoni, B. birinae, B. bradfieldi, B. bradyi, B. cassiana, B. cassiana, B. cassiana, B. cespedecensis, B. chasei, B. ciscoensis, B. colonensis, B. condylus, B. conformis, B. confragosaeformis, B. contracta, B. crebra, B. crebta, B. croneisi, B. croskeina, B. cultrataeformis, B. cultrijugati, B. cyrtia, B. deducta, B. delicata, B. devonica, B. dimorpha, B. dissortis, B. djurtjulensis, B. dolicha, B. dornickhillensis, B. dornickhollensis, B. dorsoconstricta, B. egorovi, B. elegantissima, B. eleziana, B. eleziana, B. exoura, B. fabaeformis, B. fusca, B. gambaneraensis, B. gibbosa, B. glennesis, B. gosportensis, B. haworthi, B. hilda, B. hisingeri, B. hisingeriformis, B. hispida, B. hiwannensis, B. hondurasensis, B. isoscelata, B. kaschewarovae, B. kawakensis, B. kelleri, B. kettneri, B. kinderhookensis, B. knuepferi, B. legumen, B. longisetosa, B. manifesta, B. manifesta, B. meishanensis, B. michailensis, B. moorei, B. moreyi, B. mucronata, B. multihilosa, B. mutablis, B. nanbiancunensis, B. nasuta, B. naumovae, B. navicula, B. nitida, B. ohmerti, B. oklahomensis, B. opisthorhadina, B. ovata, B. oviformis, B. paffrathensis, B. paraproba, B. peneovoidea, B. perlonga, B. philippovae, B. pinnula, B. plicatula, B. pompiloides, B. proba, B. proxischimensis, B. pseudoseptentrionalis, B. psiegorkiensis, B. quasifabaeformis, B. rectifrontis, B. salemensis, B. sanctacrucensis, B. singularis, B. soldadensis, B. subaequalis, B. subcitriformis, B. subeleziana, B. subelongata, B. subglennensis, B. subsingularis, B. subvexa, B. sukhonica, B. summa, B. summacuminata, B. tumidosa, B. turgida, B. urodeliformis, B. vassinoensis, B. virga, B. whitesidei, B. willisensis, B. woodwardensis, B. zbikowskae, B. trojana, B. feliumgibba, B. pompillioides, B. trigona, B. gliberti, B. paffrathensis, B. angusta

Synonymy list
YearName and author
1987Bairdia subcontracta Chen p. 40 figs. Pl 4, figs 1-8
1998Bairdia subcontracta Crasquin-Soleau figs. Pl 8, figs 17,18
2010Bairdia subcontracta Crasquin and Forel p. 348 figs. 13S-V

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
RankNameAuthor
—Hymenostraca(Rolfe 1969)
superclassOligostracaZrzavý et al. 1997
classOstracoda
subclassPodocopaSars 1865
orderPodocopidaSars 1866
suborderBairdiocopinaGrundel 1967
superfamilyBairdioidea(Sars 1888)
familyBairdiidaeSars 1888
genusBairdia
speciessubcontracta

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 subcontracta Chen 1987
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
carapace height80.3930.3200.4800.4000.067
shell height10.430----
valve height10.430----

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 Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma

Collections (45 total)


Time interval Ma Country or state Original ID and collection number
Wuchiapingian259.51 - 254.14Greece Bairdia subcontracta (112061 112082)
Wuchiapingian259.51 - 254.14Iran Bairdia subcontracta (168894)
Changhsingian254.14 - 251.902Iran Bairdia subcontracta (125570 168895 168898 168899 168902 168905 168907 168915 168917 168919 168922 168930)
Changhsingian254.14 - 251.902Italy Bairdia subcontracta (84130)
Changhsingian254.14 - 251.902China (Zhejiang) Bairdia subcontracta (97896 97898 97908 97909 97910 97912 97916 97919 97920 97921 117576 117580 type locality: 117590 117597 117598 117647 117649 117655 117662 117664 117667 117669)
Changhsingian254.14 - 251.902China (Xizang) Bairdia subcontracta (106652)
Changhsingian254.14 - 251.902China (Fujian) Bairdia subcontracta (121203 121228 121230 121288 121289 121290)