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Bairdia imposita
Taxonomy
Bairdia imposita was named by Gramm (1997). Its type specimen is BPI 1120/17, a carapace, and it is a 3D body fossil. Its type locality is Sudoverf' Village, Cyrolexis ussuricum beds, Primorye, which is in a Capitanian carbonate limestone in the Chandalaz Formation of the Russian Federation.
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
| Year | Name and author |
|---|---|
| 1997 | Bairdia imposita Gramm p. 63 figs. Pl 5, figs 1-6 |
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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 imposita Gramm 1997
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 2 | 0.624 | 0.600 | 0.650 | 0.625 | 0.035 |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: Capitanian or 264.28000 to 259.51000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | Russian Federation | Bairdia imposita (type locality: 124390 124401) |