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Healdia
Taxonomy
Healdia was named by Roundy (1926) [Sepkoski's age data: D Gedi J Plie Sepkoski's reference number: 167]. It is not extant. It is the type genus of Healdiidae.
It was assigned to Metacopida by Sepkoski (2002); and to Healdiidae by Harlton (1933), Sohn (1987), Hoare and Mapes (2000), Yuan and Crasquin-Soleau (2007).
It was assigned to Metacopida by Sepkoski (2002); and to Healdiidae by Harlton (1933), Sohn (1987), Hoare and Mapes (2000), Yuan and Crasquin-Soleau (2007).
Species
H. (Healdia), H. anterodepressa, H. arkonensis, H. bradmani, H. caneyensis, H. carinata, H. chapmani, H. cincta, H. compressa, H. crespinae, H. cuneata, H. distributa, H. gibba, H. gregoryi, H. irwinensis, H. medusaensis, H. obtusa, H. parallela, H. petchorica, H. ratra, H. rectis, H. simplex, H. simplicissima, H. springsurensis, H. unispinosa, H. unispinosa, H. vidriensis, H. westraliaensis, H. winfieldensis
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1926 | Healdia Roundy |
1933 | Healdia Harlton p. 26 |
1987 | Healdia Sohn p. C13 |
2000 | Healdia Hoare and Mapes p. 17 |
2002 | Healdia Sepkoski |
2007 | Healdia Yuan and Crasquin-Soleau p. 183 |
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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.
G. †Healdia Roundy 1926
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Subg. †Healdia (Healdia) Roundy 1926
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†Healdia (Healdia) anisica Kozur 1970
†Healdia (Healdia) felsooersensis Kozur 1970
†Healdia anterodepressa Blumenstengel 1965
†Healdia arkonensis Coryell and Malkin 1936
†Healdia bradmani Ferdinando 2001
†Healdia caneyensis Harlton 1927
†Healdia carinata Cooper 1964
†Healdia chapmani Crespin 1945
†Healdia cincta Coryell and Billing 1932
†Healdia compressa Kellett 1935
†Healdia crespinae Ferdinando 2001
†Healdia cuneata Coryell and Billings 1932
†Healdia distributa Gusseva 1972
†Healdia gibba Kesling and Weiss 1953
†Healdia gregoryi Ferdinando 2001
†Healdia irwinensis Fleming 1985
†Healdia medusaensis Kesling and Chilman 1978
†Healdia obtusa Ferdinando 2001
†Healdia parallela Kellett 1935
†Healdia petchorica Guseva 1971
†Healdia ratra Gründel 1961
†Healdia rectis Cooper 1946
†Healdia simplex Roundy 1926
†Healdia simplicissima Harlton 1933
†Healdia springsurensis Crespin 1945
†Healdia unispinosa Hamilton 1942
†Healdia unispinosa McLaughlin 1952
†Healdia vidriensis Hamilton 1942
†Healdia westraliaensis Ferdinando 2001
†Healdia winfieldensis Upson 1933
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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carapace height | 12 | 0.349 | 0.220 | 0.500 | 0.350 | 0.084 | |
shell height | 4 | 0.375 | 0.320 | 0.480 | 0.360 | 0.073 | |
valve height | 20 | 0.353 | 0.200 | 0.630 | 0.365 | 0.110 |
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Source: o = order, c = class | |||||
References: Jell and Adrain 2002, Kiessling 2004 |
Age range: base of the Silurian to the top of the Early/Lower Toarcian or 443.10000 to 182.90000 Ma
Collections (235 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Silurian | USA (Oklahoma) | H. sp. (528) | |
Lochkovian | Ukraine | H. alveolata (13876 23362) | |
Lochkovian | Poland | H. sp. (13890) H. unicornis (13887) | |
Early/Lower Emsian | Russian Federation | H. parva (35710 35711 35712 35749) | |
Eifelian | USA (Pennsylvania) | H. sp. (9525) | |
Eifelian | USA (Virginia) | H. sp. (6993) | |
Givetian | USA (New York) | H. arkonensis (94041 94047 94048) | |
Givetian | USA (Ohio) | H. arkonensis, H. gibba, H. medusaensis (81857 206972 206973 206974) | |
Givetian | USA (Michigan) | H. arkonensis, H. gibba, H. medusaensis (38475 38476) | |
Tournaisian | China (Guizhou) | H. sp. (58462) | |
Chadian - Arundian | USA (Indiana) | H. sp. (556 8115 8118 8119 8120 8126 8128) | |
Meramecian | USA (Arkansas) | H. spp. (76118 76149) | |
Brigantian | United Kingdom (Scotland) | H. cornigera (6450 6451 6452 6453 6454 6455 6457 6458 6459 6462) | |
Chesterian | USA (Arkansas) | H. spp. (76131) | |
Chesterian | USA (Oklahoma) | H. marginata, H. squamosa (215237) | |
Chesterian - Alportian | USA (Wyoming) | H. ornata (5710) | |
Serpukhovian | USA (Oklahoma) | H. harltoni (5611) | |
Morrowan | USA (Texas) | H. caneyensis, H. simplicissima (236937) | |
Bashkirian | USA (Oklahoma) | H. caneyensis (132869) | |
Early/Lower Pennsylvanian | USA (Oklahoma) | H. caneyensis (132870 132871 132872 132874 132879 132881 132886 132896 132897 132902 132905 132906 132908 132915 132919 132925 132928 132931 132965) H. caneyensis, H. simplicissima (132878) | |
Pennsylvanian | USA (Kentucky) | H. cypha (217268 217276) | |
Pennsylvanian | USA (Texas) | H. absentia, H. miranda, H. quadrispinosa, H. alba, H. cincta, H. simplex, H. compressa, H. cuneata (210784) H. ciscoensis (214566) | |
Pennsylvanian | USA (Oklahoma) | H. caneyensis (214571) H. oklahomaensis, H. boggyensis, H. glennensis (214572) H. overbrookensis (214570) | |
Westphalian | Spain | H. sp. (73298) | |
Moscovian | Ukraine | H. canyensis (216039 216040) | |
Kashirian | Ukraine | H. canyensis, H. sp. (216041) | |
Desmoinesian | USA (Oklahoma) | H. sp. (8632 8633 8635 8636 8639 8640 8643 8645 8646 8647 8648 8649 8651) | |
Desmoinesian | USA (Missouri) | H. limacoidea (148422) H. nucleolata, H. leguminoidea (215003) H. nucleolata, H. leguminoidea, H. longa, H. limacoidea (215053) | |
Kasimovian | USA (Kansas) | H. simplex (133146) | |
Late/Upper Pennsylvanian | USA (Indiana) | H. malotti (215554) | |
Missourian | USA (Maryland) | H. sp. (118828) | |
Gzhelian | USA (Texas) | H. formosa (215211) | |
Gzhelian | USA (Oklahoma) | H. compressa (133161) | |
Gzhelian | USA (Kansas) | H. compressa (133142) H. compressa, H. cuneata (132993) H. simplex, H. compressa (133163) H. winfieldensis (132990 133137 133149) H. winfieldensis, H. parallela (95377 132991 133138 133158) | |
Virgilian | USA (Texas) | H. torquata (71503) | |
Virgilian | USA (Maryland) | H. sp. (118827) | |
Virgilian | USA (New Mexico) | H. sp. (216994) | |
Asselian | USA (Kansas) | H. winfieldensis (95378 95379 110321) | |
Sakmarian | China (Zhejiang) | H. distributa (120912) | |
Sakmarian | Australia (Western Australia) | H. bradmani, H. westraliaensis (108292) H. chapmani, H. petchorica, H. westraliaensis (108215) H. crespinae, H. westraliaensis (108210) H. gregoryi, H. westraliaensis (108222) H. irwinensis (108235 108249 108291 108304) H. irwinensis, H. bradmani, H. westraliaensis (108302) H. irwinensis, H. chapmani, H. crespinae (108289) H. irwinensis, H. chapmani, H. crespinae, H. gregoryi, H. obtusa, H. petchorica, H. westraliaensis (108209) H. irwinensis, H. chapmani, H. crespinae, H. gregoryi, H. petchorica, H. westraliaensis (108230) H. irwinensis, H. chapmani, H. crespinae, H. gregoryi, H. westraliaensis (108223) H. irwinensis, H. chapmani, H. crespinae, H. obtusa, H. springsurensis, H. westraliaensis (108246) H. irwinensis, H. chapmani, H. crespinae, H. obtusa, H. westraliaensis (108211 108241) H. irwinensis, H. chapmani, H. crespinae, H. petchorica (108287) H. irwinensis, H. chapmani, H. crespinae, H. petchorica, H. springsurensis, H. westraliaensis (108285) H. irwinensis, H. chapmani, H. crespinae, H. petchorica, H. westraliaensis (108231 108244 108296 108298) H. irwinensis, H. chapmani, H. crespinae, H. westraliaensis (108245 108299) H. irwinensis, H. chapmani, H. gregoryi (108242) H. irwinensis, H. chapmani, H. gregoryi, H. springsurensis (108243) H. irwinensis, H. chapmani, H. obtusa, H. petchorica (108281) H. irwinensis, H. chapmani, H. petchorica (108248) H. irwinensis, H. chapmani, H. petchorica, H. springsurensis, H. westraliaensis (108283) H. irwinensis, H. chapmani, H. petchorica, H. westraliaensis (108295) H. irwinensis, H. chapmani, H. springsurensis, H. westraliaensis (108247) H. irwinensis, H. chapmani, H. westraliaensis (108276 108278 108279 108294) H. irwinensis, H. crespinae, H. gregoryi, H. obtusa, H. westraliaensis (108290) H. irwinensis, H. crespinae, H. petchorica, H. springsurensis, H. westraliaensis (108297) H. irwinensis, H. obtusa, H. petchorica (108229) H. irwinensis, H. petchorica (108286) H. irwinensis, H. petchorica, H. westraliaensis (108293) H. irwinensis, H. westraliaensis (108277 108280 108282 108303) H. obtusa (108214 108227) H. petchorica (108212 108240) H. petchorica, H. westraliaensis (108208 108219 108220) H. sp. A, H. irwinensis, H. chapmani, H. crespinae, H. obtusa, H. petchorica, H. westraliaensis (108238) H. sp. A, H. irwinensis, H. chapmani, H. crespinae, H. petchorica, H. westraliaensis (108236) H. westraliaensis (108213 108218 108225 108233 108250 108301) | |
Sakmarian | USA (Kansas) | H. winfieldensis (88235 93781 95375) | |
Artinskian | USA (Kansas) | H. winfieldensis (110316) | |
Artinskian | Canada (British Columbia) | H. carinata, H. ratra, H. rectis (106671) H. cincta (106670) | |
Sarginian | Russian Federation | H. arcuata (75625) | |
Saraninian | Russian Federation | H. distributa (75624) | |
Kungurian | Italy | H. anterodepressa (106547) H. irwinensis (106549) H. sp. 2, H. unispinosa (106546) H. sp. 3 (106548) | |
Kungurian | Venezuela (Merida) | H. sp. (41506) | |
Kungurian | USA (Texas) | H. vidriensis, H. unispinosa (43517) | |
Roadian | Russian Federation | H. postcornuta (197914) H. postcornuta, H. oblonga, H. pseudosimplex, H. subtriangula, H. simplex (197598) H. sp. (197624) | |
Wuchiapingian | Russian Federation (Kaliningrad) | H. dahlgrueni (46176 46425) | |
Wuchiapingian | Svalbard and Jan Mayen | H. sp. (145693) | |
Wuchiapingian | Lithuania | H. dahlgrueni (45952 46158 46159 46170 46183 46202 46203 46411 46414 46422 46426 46427) | |
Changhsingian | China (Zhejiang) | H. sp. (128475) | |
Changhsingian | China (Guizhou) | H. subcircinantis (111980 111993 112017 112094) | |
Changhsingian | China (Fujian) | H. colinyi, H. compressa (121290) H. colinyi, H. subcircinantis, H. compressa (121230) H. compressa (121292) H. simplex (121204) H. subcircinantis (121291) | |
Changhsingian | China (Guangxi) | H. sp. (97092) H. sp. 1 (95333 97103) | |
Griesbachian | China (Guangxi) | H. sp. A (106639) | |
Aegean | Romania | H. anisica (154997 154999) H. anisica, H. felsooersensis (154996 154998) H. felsooersensis (154989) | |
Anisian | Romania | H. felsoorsensis, H. sp.1 (48637) | |
Bithynian | Romania | H. anisica (155007) H. felsooersensis (155004) | |
Illyrian | Hungary | H. felsooersensis, H. anisica (135823) | |
Ladinian | USA (Alaska) | H. sp. 1, H. sp. 3 (162419) | |
Julian | Italy | H. sp. (162392) | |
Carnian | USA (Alaska) | H. sp. 3, H. sp. 2 (162418) | |
Rhaetian | Iran | H. sp. (41330) | |
Rhaetian | Austria | H. sp. (162409) | |
Early/Lower Toarcian | Switzerland | H. etaulensis (58316) |