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Bairdia intermedia
Taxonomy
Bairdia intermedia was named by Belousova (1965). Its type specimen is MGU 30/14 and is a 3D body fossil. Its type locality is Dorasham 2, Ali Bashi Formation, which is in a Changhsingian marine horizon in the Ali Bashi Formation of Azerbaijan.
It was recombined as Cryptobairdia intermedia by Kozur (1985).
It was recombined as Cryptobairdia intermedia by Kozur (1985).
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
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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 intermedia Belousova 1965
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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carapace height | 3 | 0.405 | 0.260 | 0.510 | 0.500 | 0.142 | |
valve height | 3 | 0.575 | 0.520 | 0.630 | 0.580 | 0.055 |
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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 259.90000 to 252.17000 Ma
Collections (20 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Capitanian | Azerbaijan | Bairdia intermedia (110674) | |
Wuchiapingian | Iran | Bairdia intermedia (155127 155128 155129 155130 155134 155135 155136 155137) | |
Wuchiapingian | Azerbaijan | Bairdia intermedia (97229) | |
Changhsingian | Azerbaijan | Bairdia intermedia (type locality: 97207) | |
Changhsingian | Iran | Bairdia intermedia (110838 155139 155140 155141 155142 155143 155144 155145 155146) |