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Bairdia altiarcus

Ostracoda - Podocopida - Bairdiidae

Taxonomy
Bairdia altiarcus was named by Chen (1958). Its type specimen is NIGP 9085 and is a 3D body fossil. Its type locality is AV-29, Guanshan Section, Longtan, Nanjing City, which is in a Kungurian carbonate limestone in the Qixia 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. dorsoconstricta, B. egorovi, B. elegantissima, B. eleziana, B. eleziana, B. exoura, B. fabaeformis, B. fusca, B. gambaneraensis, B. gibbosa, 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. willisensis, B. woodwardensis, B. zbikowskae, B. feliumgibba, B. pompillioides, B. trigona, B. gliberti, B. paffrathensis, B. angusta

Synonymy list
YearName and author
1958Bairdia altiarcus Chen p. 223 figs. Pl 3, figs 21-23; pl 4, figs 11,12
1986Bairdia altiacuta Chen and Bao
2008Bairdia altiarcus Chitnarin et al. p. 350 figs. 5.10-5.13
2008Bairdia altiarcus Crasquin p. 545 figs. Pl 2, figs 5-6
2017Bairdia altiarcus Chitnarin p. 664 fig. 10E,F

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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
speciesaltiarcus

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 altiarcus Chen 1958
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
carapace height20.6270.5100.7700.6400.184
valve height30.3850.3250.4290.4100.055

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: Jell and Adrain 2002, Kiessling 2004

Age range: base of the Kungurian to the top of the Changhsingian or 283.30000 to 251.90200 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Kungurian283.3 - 274.4China (Jiangsu) Bairdia altiarcus (type locality: 142161 142175 142178)
Kungurian283.3 - 274.4Italy Bairdia altiarcus (106545 106546 106547 106548)
Wordian266.9 - 264.28Thailand Bairdia altiarcus (87199 87203 87204 87205 137918 137923 137924 223978)
Changhsingian254.14 - 251.902Serbia Bairdia altiarcus (112046)