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Nanogyra

Bivalvia - Ostreida - Gryphaeidae

Taxonomy
Nanogyra was named by Beurlen (1958) [Sepkoski's age data: J Bath K Berr-u Sepkoski's reference number: 93,663]. It is not extant.

It was assigned to Ostreidae by Ronchetti (1970); to Exogyrinae by Vokes (1980); to Pterioida by Sepkoski (2002); and to Nanogyrini by Bouchet et al. (2010).

Synonymy list
YearName and author
1958Nanogyra Beurlen
1970Nanogyra Ronchetti p. 61
1980Nanogyra Vokes p. 65
2002Nanogyra Sepkoski
2010Nanogyra Bouchet et al.

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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)
suborderOstreidina(Ferussac 1822)
superfamilyOstreoidea(Rafinesque 1815)
familyGryphaeidaeVialov 1936
subfamilyExogyrinaeVialov 1936
genusNanogyraBeurlen 1958

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. †Nanogyra Beurlen 1958
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Subg. †Nanogyra (Nanogyra) Beurlen 1958
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†Nanogyra (Nanogyra) nana Sowerby 1822
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Invalid names: Exogyra auriformis Goldfuss 1833 [synonym], Exogyra bruntrutana Thurmann 1830 [synonym], Exogyra eminensis Reed 1927 [synonym], Exogyra fourtaui Stefanini 1925 [synonym], Exogyra spiralis Goldfuss 1833 [synonym], Exogyra vinassai Diaz-Romero 1931 [synonym], Gryphaea mima Phillips 1829 [synonym], Ostrea (Exogyra) quadrata Etallon 1893 [synonym], Ostrea spiralis Orbigny 1847 [synonym]
†Nanogyra auricularis Munster 1833
†Nanogyra crassa Smith 1819
†Nanogyra monoptera Eudes-Deslongchamps and Eudes-Deslongchamps 1859
Diagnosis
No diagnoses are available
Measurements
partNmean
valve height147.6

Composition: low Mg calcitef
Environment: marine, brackisho
Locomotion: stationaryf
Attached: yesf
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Created: 2007-09-26 08:05:58
Modified: 2009-08-18 19:34:53
Source: f = family, o = order, c = class
References: Kiessling 2004, Aberhan et al. 2004, Steuber 2002

Age range: base of the Late/Upper Sinemurian to the top of the Late/Upper Berriasian or 199.50000 to 137.05000 Ma

Collections (627 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Late/Upper Sinemurian199.5 - 192.9Chile N. auricularis (32414 32418 32419 32428 32429 32432 32440 32444 33953 33954 33958 33963 33965 33966 33967 33968 33969)
Early/Lower Pliensbachian192.9 - 184.2Chile N. auricularis (33585 33590 33591 33593 33595 33599 33600 33602 33603 33605 33607 33608 33609 33610 33611 34059 34060 34064 34067 34073 34074 34076 34077 34079 34080 34081 34082 34083 34084 34085 34086 34087 34088 34089 34090 34091)
Late/Upper Pliensbachian192.9 - 184.2Chile N. auricularis (33890)
Pliensbachian192.9 - 184.2Spain N. sp. (212062 212068)
Pliensbachian - Aalenian192.9 - 170.9Chile (Coquimbo) N. sp. (221993)
Early/Lower Toarcian184.2 - 182.9Portugal N. auricularis (25963)
Early/Lower Toarcian184.2 - 182.9Spain (Teruel) N. sp. (211200)
Early/Lower Toarcian184.2 - 182.9Spain N. auricularis (25943 25944 25945 26383) N. monoptera (25216 25218 25608 25609 25612 25668 25780 26138 26140 26141 26144 26335 26390)
Bajocian170.9 - 168.2India N. nana (68388 68597)
Bajocian170.9 - 168.2Serbia N. nana (132950 132951)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Early/Lower Tithonian149.2 - 145.06Germany (Baden-Wurttemberg) Exogyra bruntrutana (23887)
Early/Lower Tithonian149.2 - 145.06Portugal N. nana (6872 7414 7870 7888 7889 7891 7894 7895 8041 8158 8159 8161 8168 8204 8205 8206 8335 8336 8337)
Middle Tithonian149.2 - 143.1Germany Exogyra nana (13368 13369 13372 13377 13378 13381 13393 13399 13401)
Tithonian149.2 - 143.1United Kingdom (England) N. nana (69130 69134)
Tithonian149.2 - 143.1Greenland N. nana (1203 1206 1212 1214 1240 1253 1272)
Tithonian149.2 - 143.1Portugal N. nana (8164 68239)
Late/Upper Tithonian145.06 - 143.1Portugal N. nana (8166)
Early/Lower Berriasian143.1 - 141.0United Kingdom (England) N. nana (69135 69139)
Late/Upper Berriasian139.1 - 137.05United Kingdom (England) N. nana (69126 69142)
Late/Upper Berriasian - Valanginian139.1 - 132.6Germany Exogyra spiralis (95087)