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Hypergonia

Gastropoda - Cerithimorpha - Orthonemidae

Synonymy list
YearName and author
1892Murchisonia (Hypergonia) Donald p. 592
1926Hypergonia Longstaff pp. 540 – 541
1960Stegocoelia (Hypergonia) Knight et al. p. 293
2002Hypergonia Bandel p. 101
2002Hypergonia Sepkoski
2023Hypergonia Wagner p. G985

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
orderCerithimorpha
familyOrthonemidae
genusHypergonia()

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. †Hypergonia Donald 1892
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Hypergonia agraciada Kues and Batten 2001
Hypergonia attenuata Hall 1856
Hypergonia baldwinensis Thein and Nitecki 1974
Hypergonia deplanata Donald 1895
Hypergonia elongata Yoo 1988
Hypergonia hoffmani Kues and Batten 2001
Hypergonia illinoiensis Weller 1916
Hypergonia kirkbyi Donald 1892
Hypergonia marvinwelleri Thein and Nitecki 1974
Hypergonia mcoyi Donald 1895
Hypergonia percarinata Longstaff 1926
Hypergonia percostata Girty 1939
Hypergonia prolixa White and Whitfield 1862
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Invalid names: Donaldina tenuis de Koninck 1883 [synonym], Stegocoelia (Hypergonia) pentonensis Donald 1892 [synonym]
Hypergonia tatei Donald 1892
Hypergonia tenuis Yoo 1988
Hypergonia turritella Hall 1856
Hypergonia vermicula Hall 1856
Hypergonia youngiana Donald 1895
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Invalid names: Stegocoelia (Hypergonia) acuticarinata Longstaff 1926 [synonym]
Diagnosis
ReferenceDiagnosis
J. D. Longstaff 1926Shell of small or medium size. turriculated, and greatly elongated. Whorls numerous, increasing slowly, slightly convex. Ornamentation consisting of foul' threads, the three lower stronger than the uppermost, and nearly equidistant. The sinus is situated between the upper of these three and the finer thread above. Base convex. Aperture subovoid. Columellar lip slightly curved.
Measurements
partNmeanminimummaximummedians.d.
shell height23.743.504.003.750.354

Composition: aragonitec
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2004-02-29 11:40:59
Modified: 2010-02-11 01:35:02
Source: c = class
Reference: Kiessling 2004

Age range: base of the Tournaisian to the top of the Wuchiapingian or 358.90000 to 254.17000 Ma

Collections (43 total)


Time interval Ma Country or state Original ID and collection number
Kinderhookian360.7 - 353.8USA (Iowa) Stegocoelia percarinata (49823 49824 49825)
Tournaisian358.9 - 346.7Australia (New South Wales) Stegocoelia elongata (43904 44080 44143) Stegocoelia tenuis, Stegocoelia elongata (44088 44159 44160)
Ivorian353.8 - 345.3Belgium (Namur) Murchisonia acuminata (37243)
Visean346.7 - 330.9Australia (New South Wales) Stegocoelia sp. A, Stegocoelia sp. B (44144)
Arundian345.0 - 342.8Poland (Swietokrzyskie) Stegocoelia kirkbyi (60116)
Meramecian345.0 - 336.0USA (Indiana) Murchisonia attenuata, Murchisonia turritella, Murchisonia vermicula (129910) Murchisonia turritella, Murchisonia vermicula (129930) Murchisonia vermicula (129912)
Chesterian - Brigantian339.4 - 326.4USA (Ohio) Stegocoelia jonathanensis (85368)
Chesterian339.4 - 318.1USA (Ohio) Murchisonia vermicula (128005)
Chesterian339.4 - 318.1USA (Kentucky) Aclisina marvinwelleri (59823)
Chesterian339.4 - 318.1USA (Illinois) Aclisina marvinwelleri (59826) Solenospira illinoiensis (68188) Stegocoelia baldwinensis (58998)
Brigantian336.0 - 326.4United Kingdom (Scotland) Murchisonia cincta, Murchisonia youngiana, Murchisonia deplanata, Murchisonia mcoyi (155580)
Brigantian336.0 - 326.4Poland (Malopolskie) Stegocoelia sp. (101993)
Brigantian336.0 - 326.4United Kingdom (England) Murchisonia fastigiata (155620) Stegocoelia sp., Stegocoelia percarinata, Stegocoelia kirkbyi, Stegocoelia cincta, Stegocoelia quadricarinata, Stegocoelia acuminata (57131)
Serpukhovian330.9 - 323.2USA (Oklahoma) Donaldina tenuis, Murchisonia tatei (5611)
Arnsbergian326.4 - 318.1United Kingdom (Scotland) Murchisonia deplanata (155621)
Arnsbergian326.4 - 318.1China (Ningxia) Stegocoelia kirkbyi (671)
Morrowan318.1 - 314.6USA (Texas) Stegocoelia percostata (79966)
Kashirian - Myachkovian313.8 - 306.95USA (New mexico) Stegocoelia percostata (46548)
Desmoinesian313.8 - 305.9USA (New Mexico) Stegocoelia percostata, Stegocoelia agraciada, Stegocoelia hoffmani (46536)
Gzhelian303.7 - 298.9USA (New Mexico) Stegocoelia percostata (156716) Stenocoelia percostata (160176 160177 160178)
Virgilian303.4 - 298.9USA (New Mexico) H. n. sp. (146819 146828) Stegocoelia percostata (156695 156709 156713 156715)
Wuchiapingian259.9 - 254.17USA (Wyoming) Stegocoelia percostata (61950) Stegocoelia sp. (61936)