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Bairdia (Cryptobairdia)
Taxonomy
Cryptobairdia was named by Sohn (1960) [Sepkoski's age data: C Vise-u P Dora Sepkoski's reference number: 74,648]. Its type is Bairdia ventricosa.
It was reranked as Bairdia (Cryptobairdia) by Sohn (1960), Crasquin-Soleau (1997), Forel and Crasquin (2022).
It was assigned to Bairdiinae by Kollmann (1963), Kozur (1985); to Podocopida by Sepkoski (2002); to Bairdiidae by Yi (1993), Chitnarin (2017); and to Bairdia by Sohn (1960), Crasquin-Soleau (1997), Forel and Crasquin (2022).
It was reranked as Bairdia (Cryptobairdia) by Sohn (1960), Crasquin-Soleau (1997), Forel and Crasquin (2022).
It was assigned to Bairdiinae by Kollmann (1963), Kozur (1985); to Podocopida by Sepkoski (2002); to Bairdiidae by Yi (1993), Chitnarin (2017); and to Bairdia by Sohn (1960), Crasquin-Soleau (1997), Forel and Crasquin (2022).
Subtaxa
Cryptobairdia bolzi, Cryptobairdia compacta, Cryptobairdia convexa, Cryptobairdia coryelli, Cryptobairdia distorta, Cryptobairdia hians, Cryptobairdia maddocksi, Cryptobairdia pelikani, Cryptobairdia postabscissa, Cryptobairdia seminalis (syn. Bairdia samplei, Bairdia tumida), Cryptobairdia ventricosa, Cryptobairdia zalanyii (syn. Bairdia fornicata)
Species lacking formal opinion data
Bairdia aculeata, Bairdia acuminata, Bairdia africana, Bairdia altifrons, Bairdia altodorsualis, Bairdia amalthei, Bairdia amygdaloidea, Bairdia amygdaloides, Bairdia angusta, Bairdia anomala, Bairdia antamputata, Bairdia antillea, Bairdia auricula, Bairdia austriaca, Bairdia bedfordensis, Bairdia biacuta, Bairdia bicornis, Bairdia billjohnsoni, Bairdia birinae, Bairdia bradfieldi, Bairdia bradyi, Bairdia cassiana, Bairdia cassiana, Bairdia cassiana, Bairdia cespedecensis, Bairdia chasei, Bairdia ciscoensis, Bairdia colonensis, Bairdia condylus, Bairdia conformis, Bairdia confragosaeformis, Bairdia contracta, Bairdia crebra, Bairdia crebta, Bairdia croneisi, Bairdia croskeina, Bairdia cultrataeformis, Bairdia cultrijugati, Bairdia cyrtia, Bairdia deducta, Bairdia delicata, Bairdia devonica, Bairdia dimorpha, Bairdia dissortis, Bairdia djurtjulensis, Bairdia dolicha, Bairdia dornickhillensis, Bairdia dorsoconstricta, Bairdia egorovi, Bairdia elegantissima, Bairdia eleziana, Bairdia eleziana, Bairdia exoura, Bairdia fabaeformis, Bairdia feliumgibba, Bairdia fusca, Bairdia gambaneraensis, Bairdia gibbosa, Bairdia gliberti, Bairdia gosportensis, Bairdia haworthi, Bairdia hilda, Bairdia hisingeri, Bairdia hisingeriformis, Bairdia hispida, Bairdia hiwannensis, Bairdia hondurasensis, Bairdia isoscelata, Bairdia kaschewarovae, Bairdia kawakensis, Bairdia kelleri, Bairdia kettneri, Bairdia kinderhookensis, Bairdia knuepferi, Bairdia legumen, Bairdia longisetosa, Bairdia manifesta, Bairdia manifesta, Bairdia meishanensis, Bairdia michailensis, Bairdia moorei, Bairdia moreyi, Bairdia mucronata, Bairdia multihilosa, Bairdia mutablis, Bairdia nanbiancunensis, Bairdia nasuta, Bairdia naumovae, Bairdia navicula, Bairdia nitida, Bairdia ohmerti, Bairdia oklahomensis, Bairdia opisthorhadina, Bairdia ovata, Bairdia oviformis, Bairdia paffrathensis, Bairdia paffrathensis, Bairdia paraproba, Bairdia peneovoidea, Bairdia perlonga, Bairdia philippovae, Bairdia pinnula, Bairdia plicatula, Bairdia pompillioides, Bairdia pompiloides, Bairdia proba, Bairdia proxischimensis, Bairdia pseudoseptentrionalis, Bairdia psiegorkiensis, Bairdia quasifabaeformis, Bairdia rectifrontis, Bairdia salemensis, Bairdia sanctacrucensis, Bairdia singularis, Bairdia soldadensis, Bairdia subaequalis, Bairdia subcitriformis, Bairdia subeleziana, Bairdia subelongata, Bairdia subglennensis, Bairdia subsingularis, Bairdia subvexa, Bairdia sukhonica, Bairdia summa, Bairdia summacuminata, Bairdia trigona, Bairdia tumidosa, Bairdia turgida, Bairdia urodeliformis, Bairdia vassinoensis, Bairdia virga, Bairdia willisensis, Bairdia woodwardensis, Bairdia zbikowskae, Cryptobairdia atudoreii, Cryptobairdia hoffmanae, Cryptobairdia hungarica, Cryptobairdia longinqua, Cryptobairdia nitida, Cryptobairdia postilonga, Cryptobairdia subseminalis
Synonymy list
Year | Name and author |
---|---|
1960 | Bairdia (Cryptobairdia) Sohn |
1960 | Cryptobairdia Sohn |
1963 | Cryptobairdia Kollmann p. 168 |
1985 | Cryptobairdia Kozur p. 60 |
1993 | Cryptobairdia Yi p. 570 |
1997 | Bairdia (Cryptobairdia) Crasquin-Soleau p. 68 |
2002 | Cryptobairdia Sepkoski |
2017 | Cryptobairdia Chitnarin p. 670 |
2022 | Bairdia (Cryptobairdia) Forel and Crasquin pp. 101925-7 |
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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.
Subg. †Bairdia (Cryptobairdia) Sohn 1960
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†Cryptobairdia bolzi Kozur 1985
†Cryptobairdia compacta Geis 1932
†Cryptobairdia convexa Hou 1954
†Cryptobairdia coryelli Roth and Skinner 1931
†Cryptobairdia distorta Yi 1993
†Cryptobairdia hians Kollmann 1963
†Cryptobairdia maddocksi Kozur 1985
†Cryptobairdia pelikani Kozur 1985
†Cryptobairdia postabscissa Kozur 1985
†Cryptobairdia seminalis Knight 1928
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Invalid names: Bairdia samplei Coryell and Booth 1933 [synonym], Bairdia tumida Upson 1933 [synonym]
†Cryptobairdia ventricosa Roth and Skinner 1930
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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carapace height | 8 | 0.634 | 0.430 | 0.830 | 0.660 | 0.122 | |
shell height | 1 | 0.310 | - | - | - | - | |
valve height | 6 | 0.656 | 0.365 | 0.912 | 0.716 | 0.204 |
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Source: o = order, c = class | |||||
References: Jell and Adrain 2002, Kiessling 2004 |
Collections (97 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Frasnian | China (Hunan) | Cryptobairdia sp. (40953 40955) | |
Kinderhookian | USA (Indiana) | Cryptobairdia compacta (6733 6734) | |
Meramecian | Canada (Alberta) | Bairdia compacta (62396) | |
Desmoinesian | USA (Missouri) | Bairdia seminalis (148422 215003 215051 215053 215205 215207 215209) | |
Kasimovian | USA (Kansas) | Bairdia seminalis (132992 133146 133150) | |
Late/Upper Pennsylvanian | USA (Indiana) | Bairdia seminalis (215554) | |
Gzhelian | USA (Kansas) | Bairdia seminalis (132987 132990 132991 132993 132994 133136 133137 133138 133139 133141 133142 133151 133152 133153 133154 133155 133156) | |
Asselian | USA (Kansas) | Bairdia seminalis (95378 95379) | |
Asselian - Sakmarian | Thailand | Cryptobairdia seminalis (137897 137899) Cryptobairdia sp. (137895) Cryptobairdia sp., Cryptobairdia seminalis (137898) | |
Sakmarian | Canada (British Columbia) | Bairdia seminalis, Bairdia coryelli (106669) | |
Sakmarian | USA (Kansas) | Bairdia seminalis (88235) | |
Sakmarian | Thailand | Cryptobairdia sp. (137893 223957 223958) | |
Artinskian | China (Fujian) | Cryptobairdia hoffmanae, Cryptobairdia subseminalis (95702) Cryptobairdia subseminalis (95698) | |
Kungurian | China (Jiangsu) | Bairdia coryelli (142169 142181) Cryptobairdia coryelli (142167 142168 142175 142188) Cryptobairdia sp. (142159 142189) Cryptobairdia sp., Bairdia coryelli (142162) | |
Kungurian | China (Fujian) | Cryptobairdia coryelli (95703 95710) Cryptobairdia distorta, Cryptobairdia coryelli, Cryptobairdia postabcissa (95707) Cryptobairdia distorta, Cryptobairdia postabcissa (95706) Cryptobairdia hoffmanae, Cryptobairdia coryelli (95709) Cryptobairdia nitida, Cryptobairdia coryelli (95705) Cryptobairdia nitida, Cryptobairdia subseminalis (95704) | |
Kungurian - Roadian | Thailand | Cryptobairdia sp. (164537) | |
Roadian | China (Hubei) | Bairdia convexa (145987 145989) | |
Roadian | Thailand | Cryptobairdia sp. (137901) | |
Wordian | Thailand | Cryptobairdia seminalis (223976) Cryptobairdia sp. (137914) | |
Wuchiapingian | Hungary | Cryptobairdia bolzi (146200) Cryptobairdia maddocksi (146238) Cryptobairdia pelikani, Cryptobairdia zalanyii (146175) Cryptobairdia postabscissa (146221) | |
Wuchiapingian | Azerbaijan | Bairdia hassi (97229) | |
Wuchiapingian - Changhsingian | Israel | Cryptobairdia hungarica, Cryptobairdia bolzi (95762) Cryptobairdia sp. (109723) | |
Changhsingian | Italy | Cryptobairdia postilonga (84133) | |
Changhsingian | China (Fujian) | Cryptobairdia coryelli (121202 121228 121289) Cryptobairdia longinqua (121230 121288) Cryptobairdia longinqua, Cryptobairdia coryelli (121290) | |
Changhsingian | China (Sichuan) | Cryptobairdia sp. (148481 148483) | |
Changhsingian | Israel | Cryptobairdia bolzi (40950 108988 108991 108992) Cryptobairdia sp., Cryptobairdia bolzi (108990 108993) | |
Spathian - Anisian | Israel | Cryptobairdia sp. (156820 156821 156891) | |
Anisian | Türkiye | Cryptobairdia sp. (98003 98006 98012) | |
Pelsonian | Türkiye | Cryptobairdia atudoreii, Cryptobairdia sp. (97998) |