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Bairdia subhassi
Taxonomy
Bairdia subhassi was named by Belousova (1965). Its type specimen is MGU 30/19 and is a 3D body fossil. Its type locality is Dorasham 2, Dzhulfian Stage, which is in a Wuchiapingian marine horizon in the Julfa Formation of Azerbaijan.
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
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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 subhassi Belousova 1965
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 3 | 0.425 | 0.280 | 0.550 | 0.500 | 0.144 | |
| valve height | 1 | 0.830 | - | - | - | - |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: base of the Capitanian to the top of the Changhsingian or 264.28000 to 251.90200 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | Azerbaijan | Bairdia subhassi (110674) | |
| Wuchiapingian | Azerbaijan | Bairdia subhassi (type locality: 97229 110669 110670 110671) | |
| Wuchiapingian | Iran | Bairdia subhassi (155127 155130 155131 155132 155133 155134 155135 155137) | |
| Changhsingian | Iran | Bairdia subhassi (155144) | |
| Changhsingian | Azerbaijan | Bairdia subhassi (97207) |