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Isognomon (Isognomon)

Bivalvia - Ostreida - Malleidae

Synonymy list
YearName and author
1786Isognomon (Isognomon) Lightfoot
1983Isognomon (Isognomon) Moore p. A84

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
RankNameAuthor
—OstreomorphiFerussac 1822
—OstreioniFerussac 1822
—OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderOstreida(Fërussac 1822)
suborderMalleidinaGray 1854
superfamilyPterioideaGray 1847
familyMalleidaeLamarck 1819
subfamilyIsognomoninae(Woodring 1925)
genusIsognomonLightfoot 1786
subgenusIsognomonLightfoot 1786

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. Isognomon (Isognomon) Lightfoot 1786
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†Isognomon (Isognomon) panzana Loel and Corey 1932
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Composition 2: low Mg calcitef
Environment: marine, brackisho
Locomotion: stationaryg
Attached: yesg
Epibiont: yessuperf
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Created: 2009-04-13 11:22:47
Modified: 2009-08-17 21:46:58
Source: g = genus, f = family, superf = superfamily, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Kiessling 2004, Sanchez Roig 1926

Age range

Maximum range based only on fossils: base of the Sevatian to the top of the Early/Lower Miocene or 212.00000 to 15.97000 Ma
Minimum age of oldest fossil (stem group age): 208.5 Ma

Collections (47 total)


Time interval Ma Country or state Original ID and collection number
Norian228.0 - 208.5Hungary Isognomon exilis (70989 73188 73193)
Norian228.0 - 208.5Austria (Kaernten) Isognomon exilis (129681 129683 129684 129688)
Norian228.0 - 208.5Austria Isognomon exilis (205954)
Sevatian212.0 - 205.6Italy Isognomon exilis (201689)
Rhaetian208.5 - 201.3Spain Isognomon exilis (142083)
Rhaetian208.5 - 201.3Italy Isognomon exilis (38167)
Hettangian201.3 - 199.3Japan (Miyagi) Isognomon rikuzenicus (40541)
Sinemurian199.3 - 190.8Canada (British Columbia) Isognomon sp. (53204)
Pliensbachian190.8 - 182.7Argentina (Neuquen) Isognomon jupiter (33902)
Late/Upper Pliensbachian189.6 - 183.0Argentina (Neuquen) Isognomon jupiter (33865)
Toarcian182.7 - 174.1Japan (Miyagi) Isognomon rikuzenicus (40542)
Toarcian - Aalenian182.7 - 170.3Chile Isognomon jupiter (95384)
Callovian166.1 - 163.5China (Qinghai) Isognomon promytiloides (37884)
Early/Lower Oxfordian161.2 - 155.7France Isognomon promytiloides (8654 8655)
Late/Upper Oxfordian161.2 - 155.7Germany Isognomon promytiloides, Isognomon subplana (60387)
Kimmeridgian157.3 - 152.1Portugal (Centro) Isognomon rectangularis (68220)
Tithonian152.1 - 145.0United Kingdom (England) Isognomon volaticum (69134)
Early/Lower Tithonian150.8 - 145.0Germany (Bavaria) Isognomon mytiloides (57157) Isognomon pygmaea, Isognomon sp. (57791)
Early/Lower Tithonian150.8 - 145.0Germany Isognomon flambarti (34608)
Neocomian145.0 - 125.77Japan (Gumma) Isognomon ichikawai (40488)
Aptian125.0 - 113.0Japan (Chiba) Isognomon choshiensis (39580)
Aptian - Albian125.0 - 100.5Japan (Gumma) Isognomon sanchuensis (40490)
Piripauan85.8 - 83.5New Zealand Isognomon rekohuensis (63092)
Campanian83.6 - 72.1New Zealand Isognomon rekohuensis (63091)
Campanian - Early/Lower Maastrichtian83.6 - 66.0New Zealand (Chatham Islands) Isognomon rekohuensis (3644 3647)
Middle Eocene47.8 - 37.71USA (California) Isognomon clarki (202071 202081 202083 202084)
Bartonian41.3 - 38.0USA (California) Isognomon clarki (52804)
Bartonian41.3 - 38.0USA (Washington) Isognomon clarki (161922)
Priabonian38.0 - 33.9USA (Oregon) Isognomon clarki (193975)
Priabonian38.0 - 33.9USA (Washington) Pedalion clarki (40733)
Early/Lower Miocene23.03 - 15.97USA (California) Pedalion panzana (71228 238214 238215 238216 238218 238239)