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Bairdia citriformis
Taxonomy
Bairdia citriformis was named by Knight (1928). It is a 3D body fossil. Its type locality is Locality 6. 200 ft. north of Clayton Rd., 1st street west of Kirkwood-Ferguson Trolly tracks, "Davis Place" subdivision, Clayton, which is in a Desmoinesian carbonate limestone in the Pawnee Formation of Missouri.
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. 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. 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 |
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1928 | Bairdia citriformis Knight |
1958 | Bairdia citriformis Chen p. 226 figs. Pl 3, figs 14-20 |
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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 citriformis Knight 1928
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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carapace height | 1 | 0.320 | |||||
valve height | 1 | 0.510 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Jell and Adrain 2002 |
Age range: base of the Desmoinesian to the top of the Kungurian or 312.80000 to 272.30000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Desmoinesian | USA (Missouri) | Bairdia citriformis (type locality: 69770) | |
Kungurian | China (Jiangsu) | Bairdia citriformis (142170 142172 142173 142174 142175 142177 142188) |