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Neoschizodus ovatus

Bivalvia - Trigoniida - Myophoriidae

Taxonomy
Lyrodon ovatum was named by Goldfuss (1838).

It was recombined as Myophoria ovata by Lepsius (1878), Bittner (1901), Ogilvie Gordon (1927) and Leonardi (1935); it was recombined as Myophoria (Leviconcha) ovata by Waagen (1907), Gu et al. (1976) and Chen (1982); it was recombined as Neoschizodus ovatus by Giebel (1856) and Neri and Posenato (1985).

Sister species lacking formal opinion data
Myophoria laevigata, N. concentricus, N. struckmanni

Synonymy list
YearName and author
1838Lyrodon ovatum Goldfuss
1856Neoschizodus ovatus Giebel
1878Myophoria ovata Lepsius
1901Myophoria ovata Bittner
1907Myophoria (Leviconcha) ovata Waagen
1927Myophoria ovata Ogilvie Gordon
1935Myophoria ovata Leonardi
1976Myophoria (Leviconcha) ovata Gu et al. p. 39 figs. Pl 19, figs 41,42
1982Myophoria (Leviconcha) ovata Chen p. 219 figs. Pl 3, fig 14
1985Neoschizodus ovatus Neri and Posenato p. 96 figs. Pl 2, figs 3-5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—UniomorphiGray 1854
—UnioniGray 1854
—UnionataGray 1854
orderTrigoniida(Dall 1889)
superfamilyTrigonioidea(Lamarck 1819)
familyMyophoriidaeBronn 1847
genusNeoschizodusGiebel 1855
speciesovatus(Goldfuss 1838)

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.

†Neoschizodus ovatus Goldfuss 1838
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height219.719.020.519.81.06
valve height510.47.0518.49.304.71

Composition: aragonitec
Locomotion: facultatively mobileo
Life habit: infaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 12:34:20
Modified: 2004-02-28 14:34:20
Source: o = order, c = class
Reference: Aberhan et al. 2004

Age range: base of the Spathian to the top of the Ladinian or 251.30000 to 237.00000 Ma

Collections (70 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Triassic - Anisian252.17 - 242.0Italy (Lombardy) Myophoria ovata (231734)
Griesbachian251.902 - 250.5China (Guizhou) Neoschizodus ovatus (112112)
Griesbachian251.902 - 250.5India Myophoria ovata (110990 110992)
Griesbachian251.902 - 250.5China (Sichuan) Leviconcha ovata (149106) Myophoria ovata (98558)
Spathian251.3 - 247.2Hungary Neoschizodus ovatus (139959 139960 139961 139970 139978 139980 139986 139987 139988 139989 139990 139997 139998 140000 140001 177426 177427 177430 177431 177432 177437 177438 177441 177442 177443 177445 177446 177447 177448 177449 177452)
Spathian251.3 - 247.2Italy Neoschizodus ovatus (115787 115788 115789 115790 115791)
Spathian251.3 - 247.2Italy (Trentino) Neoschizodus ovatus (197880 197881)
Dienerian250.5 - 251.2Russian Federation Neoschizodus ovatus (90210)
Dienerian250.5 - 251.2China (Sichuan) Leviconcha ovata (149103)
Anisian247.2 - 242.0Chile (Huasco) Myophoria ovata (223363)
Anisian247.2 - 242.0Italy (South Tyrol) Myophoria ovata (205066 205067 205068)
Anisian247.2 - 242.0Chile (Atacama) Myophoria ovata (200772)
Anisian247.2 - 242.0China (Qinghai) Leviconcha ovata (101038 101040 101044 101046)
Anisian247.2 - 242.0Germany (Hessen) Myophoria ovata (38545 44357)
Illyrian247.2 - 242.0Germany (Baden-Württemberg) Myophoria ovata (67647)
Pelsonian247.2 - 242.0Malaysia (Kelantan) Neoschizodus ovatus (211343)
Middle Triassic247.2 - 237.0Germany (Sachsen-Anhalt) Neoschizodus ovatus (201970)
Ladinian242.0 - 237.0Afghanistan (Hindu kush) Neoschizodus ovatus (123738 123740 123741 123742 123743 123744 123745 123746 123747 123748)