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Orthonychia

Gastropoda - Cyrtoneritida - Orthonychiidae

Taxonomy
Orthonychia was named by Hall (1843) [Sepkoski's age data: S Ldov Tr Ladi-u Sepkoski's reference number: 362,797]. It is not extant. Its type is Orthonychia subrectum.

It was reranked as Capulus (Orthonychia) by Whidborne (1896); it was reranked as Platyceras (Orthonychia) by Knight et al. (1960).

It was assigned to Capulus by Whidborne (1896); to Platyceras by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Orthonychiidae by Bandel and Frýda (1999), Bouchet et al. (2005).

Species
O. aculeata, O. acuta, O. baldwini, O. belli, O. bowsheri, O. campanulata, O. chesterense, O. concavum, O. conicum, O. conoidea, O. cornuforme, O. costata, O. daschi, O. dentalium, O. dubium, O. egorovi, O. elegans, O. enorme (syn. Platyceras cyathinum), O. extensum, O. gracilis, O. herzeri, O. inequilaterale, O. infabricatus, O. jeffersonensis, O. korotkovae, O. marblecreekensis, O. mayesense, O. obliquesulcata, O. pajerensis, O. parva, O. parvulum, O. pentalvea, O. perplexum, O. prosseri, O. protei, O. puellaris, O. quadrangularis, O. rostratus, O. rotunda, O. sciotoensis, O. sileni, O. spinigerum, O. subrectum (type species), O. talon, O. tortuosa, O. trigonale, O. trirotundolobatum, O. undulatum, O. unguiculata, O. ungula, O. variablis, O. vishtytica, O. vomerium, O. wanneri, O. waverlyensis, Platyceras (Orthonychia) aroostooki, Platyceras (Orthonychia) compressa, Platyceras (Orthonychia) compressum, Platyceras (Orthonychia) conoideum, Platyceras (Orthonychia) cornutum, Platyceras (Orthonychia) ivanovi, Platyceras (Orthonychia) occidens, Platyceras (Orthonychia) ungula
Species lacking formal opinion data
O. bohemica

Synonyms
Synonymy list
YearName and author
1843Orthonychia Hall
1859Igoceras Hall
1896Capulus (Orthonychia) Whidborne p. 48
1936Geronticeras Grabau
1960Platyceras (Orthonychia) Knight et al. p. 240
1999Orthonychia Bandel and Frýda
2002Orthonychia Sepkoski
2005Orthonychia Bouchet et al. p. 122

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassNeritimorpha
orderCyrtoneritida()
familyOrthonychiidae
genusOrthonychia

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. †Orthonychia Hall 1843
show all | hide all
†Orthonychia aculeata Barrois 1889
†Orthonychia acuta Roemer 1856
†Orthonychia baldwini Rohr et al. 1981
†Orthonychia belli Clarke 1908
†Orthonychia bowsheri Yochelson 1956
†Orthonychia campanulata Barrois 1889
†Orthonychia chesterense Meek and Worthen 1867
†Orthonychia concavum Hall 1859
†Orthonychia conicum Hall 1859
†Orthonychia conoidea Goldfuss 1844
†Orthonychia cornuforme Winchell 1863
†Orthonychia costata Barrois 1889
†Orthonychia daschi Rohr and Smith 1978
†Orthonychia dentalium Hall 1862
†Orthonychia dubium Barrois 1889
†Orthonychia egorovi Mazaev 1996
†Orthonychia elegans Perner 1903
†Orthonychia enorme Lindström 1884
+
Invalid names: Platyceras cyathinum Lindström 1884 [synonym]
†Orthonychia extensum Barrois 1889
†Orthonychia gracilis Mansuy 1913
†Orthonychia herzeri Winchell 1871
†Orthonychia korotkovae Mazaev 2019
†Orthonychia marblecreekensis Talent and Philip 1956
†Orthonychia mayesense Snider 1915
†Orthonychia pajerensis Chronic 1949
†Orthonychia parva Shumard and Swallow 1858
†Orthonychia parvulum Whiteaves 1892
†Orthonychia pentalvea Talent and Philip 1956
†Orthonychia perplexum Hall 1879
†Orthonychia prosseri Clarke and Swartz 1913
†Orthonychia protei Oehlert 1883
†Orthonychia puellaris Whidborne 1891
†Orthonychia quadrangularis Whidborne 1891
†Orthonychia rostratus Trenkner 1868
†Orthonychia rotunda Whidborne 1896
†Orthonychia sileni Oehlert 1883
†Orthonychia spinigerum Worthen 1883
†Orthonychia subrectum Hall 1859
†Orthonychia talon Tolmachoff 1930
†Orthonychia tortuosa Hall 1859
†Orthonychia trigonale Barrois 1889
†Orthonychia trirotundolobatum Talent and Philip 1956
†Orthonychia undulatum Barrois 1889
†Orthonychia unguiculata Clarke and Swartz 1913
†Orthonychia ungula Weller 1906
†Orthonychia variablis Tyler 1965
†Orthonychia vishtytica Saladzius 1966
†Orthonychia vomerium Winchell 1863
†Orthonychia wanneri Delpey 1941
†Platyceras (Orthonychia) aroostooki Williams and Breger 1916
†Platyceras (Orthonychia) compressa Williams and Breger 1916
†Platyceras (Orthonychia) cornutum Tschernischew 1885
Invalid names: Geronticeras Grabau 1936 [synonym], Igoceras Hall 1859 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height213.712.515.013.81.77

Composition: "calcite"g
Composition 2: aragoniteg
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2010-02-04 11:04:31
Modified: 2010-02-04 13:04:31
Source: g = genus, c = class
References: Ohern and Maynard 1913, Kiessling 2004

Age range: base of the Telychian to the top of the Capitanian or 438.50000 to 259.51000 Ma

Collections (159 total)


Time interval Ma Country or state Original ID and collection number
Telychian438.5 - 433.4Norway (Oslo) Platyceras enorme (49985)
Sheinwoodian433.4 - 430.5Sweden (Gotland) Platyceras cyathinium (13598) Platyceras enorme (13597)
Sheinwoodian433.4 - 430.5Canada (Nunavut) Platyceras baldwini (26009)
Gorstian427.4 - 425.6Czech Republic (Středočeský (Central Bohemian Region)) Platyceras sp. (106004)
Ludfordian425.6 - 423.0Sweden (Gotland) Platyceras enorme (13533 155712)
Pridoli423.0 - 419.2Czech Republic O. anquis, O. elegans (14080) O. elegans (14039 14043 14076 232620) Platyceras auquis, Platyceras elegans (13894)
Pridoli - Helderbergian423.0 - 393.3Czech Republic O. sp. (14117)
Lochkovian419.2 - 410.8USA (Maine) Platyceras aroostooki, Platyceras compressa (103288) Platyceras compressa (103297)
Lochkovian419.2 - 410.8Canada (Northwest Territories) Platyceras daschi (3733 3739 3741) Platyceras dentalium (3748 3749 3750)
Lochkovian419.2 - 410.8Czech Republic Platyceras spp. (13895)
Helderbergian419.2 - 393.3Italy Platyceras cornuta (26206)
Helderbergian - Emsian419.2 - 393.3Austria O. sp. (26203)
Siegen412.3 - 409.1Australia (Victoria) O. sp. (56698) Platyceras trirotundolobatum, O. marblecreekensis, O. pentalvea (56699)
Pragian410.8 - 407.6France Acroculia protei (157340)
Pragian410.8 - 407.6Canada (Quebec) Platyceras tortuosum (157355) Platyceras tortuosum, Platyceras belli (157354)
Pragian410.8 - 407.6Austria Platyceras selcanum (154582)
Pragian410.8 - 407.6Czech Republic (Srbsko) O. bohemica (235198)
Early/Lower Emsian409.1 - 402.5Morocco Platyceras sp. (150334)
Early/Lower Emsian409.1 - 402.5Czech Republic (Praha) O. sp. (5804)
Emsian407.6 - 393.3Canada (Northwest Territories) O. talon (56276)
Emsian407.6 - 393.3France Platyceras aculeatum, Platyceras campanulatum, Platyceras conoideum, Platyceras dubium, Platyceras extensum, Platyceras inequilaterale, Platyceras trigonale, Platyceras undulatum, Platyceras costatum (154581)
Emsian407.6 - 393.3USA (West Virginia) Platyceras tortuosum (70109)
Late/Upper Emsian402.5 - 391.9Italy Platyceras alienum (26257)
Late/Upper Emsian402.5 - 391.9Austria O. obliquesulcata (26220) O. obliquesulcata, O. cornuta (26218 26219) O. sp. (26223) Platyceras compressum (26221)
Eifelian393.3 - 387.7USA (New York) O. concavum (9614) O. concavum, O. dentalium (9538) O. conicum (9540)
Eifelian393.3 - 387.7USA (Nevada) Platyceras sp. (44124)
Cazenovian391.9 - 383.7USA (New York) Platyceras sp. (69461)
Givetian387.7 - 382.7USA (Indiana) Platyceras conicum (170009)
Givetian387.7 - 382.7USA (Michigan) Platyceras variablis (85061)
Givetian387.7 - 382.7United Kingdom (England) Capulus puellaris (81021) Capulus puellaris, Capulus rostratus, O. quadrangularis (130270) Capulus puellaris, Capulus rostratus, O. quadrangularis, O. costata (129878)
Givetian387.7 - 382.7USA (New York) O. conicum (89924)
Frasnian382.7 - 372.2USA (Maryland) O. prosseri (155564) O. unguiculata (154838)
Late/Upper Famennian364.7 - 360.7United Kingdom (England) Platyceras rotundum (38143)
Late/Upper Famennian364.7 - 360.7USA (Montana) Platyceras sp. (3433)
Kinderhookian358.9 - 352.0USA (Missouri) O. ungula, O. jeffersonensis (147905)
Early/Lower Mississippian358.9 - 346.7USA (California) O. sp. (226312)
Tournaisian358.9 - 346.7USA (Iowa) Capulus vomerium (3339)
Kinderhookian - Osagean358.9 - 343.0Mexico (Sonora) Platyceras sp. (5616)
Kinderhookian - Osagean358.9 - 343.0USA (Nevada) Igoceras sp. (5751)
Mississippian358.9 - 323.2United Kingdom (Scotland) Platyceras sp. (75139)
Osagean352.0 - 343.0USA (Ohio) Platyceras herzeri (93072) Platyceras infabricatus, Platyceras sciotoensis, Platyceras waverlyensis (155894)
Osagean352.0 - 343.0Canada (Alberta) Igoceras spp. (62417)
Arundian346.7 - 340.0Poland (Swietokrzyskie) Platyceras sp. 1, Platyceras sp. 2 (60116)
Arundian - Holkerian346.7 - 340.0USA (Alaska) Platyceras sp. (59944)
Meramecian343.0 - 335.5USA (Arkansas) O. sp., O. ungula (60041) O. ungula (60042) Platyceras compressum (76651)
Meramecian343.0 - 335.5USA (Nevada) Platyceras occidens (59828) Platyceras sp. (62674)
Brigantian336.0 - 330.9USA (Alabama) Platyceras sp. (6754 6764 6766 6769 6773 6782 6794 6795 6799 6806 6811 6812 6831 6837 6841 6844)
Brigantian336.0 - 330.9USA (Arkansas) Platyceras compressum (76143)
Chesterian - Brigantian335.5 - 330.9USA (Ohio) Platyceras chesterense (85363 85367)
Chesterian335.5 - 323.2USA (Kentucky) Platyceras chesterense (59823 59827)
Chesterian335.5 - 323.2USA (Illinois) Platyceras chesterense (58997 58998 59824 59826)
Chesterian335.5 - 323.2USA (Arizona) O. striatulus (124256)
Pendleian330.9 - 327.0USA (Nevada) Platyceras sp. (5523)
Serpukhovian330.9 - 323.2USA (Arkansas) Platyceras sp. (5517)
Pennsylvanian323.2 - 298.9USA (Ohio) Platyceras parvum (75138)
Moscovian315.2 - 307.0USA (Nevada) Platyceras sp. (39158)
Moscovian315.2 - 307.0USA (Missouri) O. parva (69773)
Moscovian315.2 - 307.0Russian Federation Platyceras ivanovi (121038)
Kashirian - Myachkovian313.8 - 307.0USA (New Mexico) Platyceras parvum (46548)
Desmoinesian312.8 - 306.0USA (Pennsylvania) Platyceras parvum, Platyceras spinigerum (184098)
Desmoinesian312.8 - 306.0USA (New Mexico) Platyceras parvum (46536)
Desmoinesian312.8 - 306.0USA (Ohio) Platyceras parvum (64913 64918 64925 64933)
Missourian306.0 - 303.7USA (Pennsylvania) Platyceras parvum (184105 184106)
Missourian306.0 - 303.7USA (Missouri) Capulus parvus (237765 237796)
Virgilian303.7 - 298.9USA (Ohio) Platyceras parvum (71993)
Pavlovoposadian302.2 - 301.2Russian Federation (Moscow) Platyceras egorovi (154864)
Asselian298.9 - 295.5USA (Texas) Platyceras sp. (43468 43471 43556 121456)
Asselian - Sakmarian298.9 - 290.1Peru (Ayacucho) O. pajerensis (41366 41369 41371)
Asselian - Sakmarian298.9 - 290.1Peru (Apurimac) O. parva (41334 41360)
Asselian - Sakmarian298.9 - 290.1Laos Platyceras gracile (233571)
Sakmarian293.52 - 290.1Russian Federation (Bashkortostan) O. korotkovae (220898)
Artinskian290.1 - 279.3USA (New Mexico) Platyceras sp. (101771)
Kungurian279.3 - 272.3USA (Texas) O. bowsheri (81724 81848 81860) O. bowsheri, Platyceras sp. (81633) Platyceras bowsheri (43497 75882 121457) Platyceras sp. (81592 81638 110512 150669) Platyceras sp. 1 (43498)
Roadian272.3 - 268.8USA (Texas) O. bowsheri (81645 81693) Platyceras bowsheri (43548 43551 43553 101767 101774) Platyceras sp. (121453) Platyceras sp. 2, Platyceras sp. (43512)
Roadian272.3 - 268.8Thailand (Kanchanaburi) Platyceratidae indet. (40854)
Wordian266.9 - 264.28Mexico (Sonora) O. sp. A (40831)
Wordian266.9 - 264.28USA (Texas) Platyceras bowsheri (43550 101864)
Capitanian264.28 - 259.51Cambodia O. gracilis (107276 107277) O. wanneri (107273)