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Akeridae

Gastropoda - Opisthobranchiata - Akeridae

Taxonomy
Akeridae was named by Mazzarelli (1891) [m. kosnik taxon no: 5263].

It was assigned to Opisthobranchiata by Grant and IV and Gale (1931); to Tectibranchia by Addicott (1970); and to Akeroidea by Beesley (1998).

Subtaxa
Akera

Synonymy list
YearName and author
1891Akeridae Mazzarelli
1931Akeridae Grant, IV and Gale p. 458
1970Akeridae Addicott p. 138
1998Akeridae Beesley p. 942

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
orderOpisthobranchiata(Milne-Edwards 1848)
familyAkeridaeMazzarelli 1891
familyAkeridaeMazzarelli 1891

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.

Fm. †Akeridae Mazzarelli 1891
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G. Akera Muller 1776
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†Akera bolivarensis Anderson 1928
†Akera constricta Stephenson 1941
†Akera gregoryi Newton 1917
†Akera maga Vokes 1939
†Akera narica Vredenburg 1925
†Akera pseudodesioi Eames 1952
†Akera texana Aldrich 1911
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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

Maximum range based only on fossils: base of the Bajocian to the top of the Late/Upper Pleistocene or 170.90000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 165.3 Ma

Collections (31 total)


Time interval Ma Country or state Original ID and collection number
Bajocian - Early/Lower Bathonian170.9 - 165.3Saudi Arabia Akera sp. (45303)
Callovian165.3 - 161.5Saudi Arabia Akera sp. (45549)
Callovian165.3 - 161.5Tanzania Akera tanganyicensis (36350)
Late/Upper Albian106.3 - 100.5Angola Akera gregoryi (210739)
Early/Lower Cenomanian100.5 - 93.9Egypt Akera thevestensis (114872)
Middle Cenomanian100.5 - 93.9Egypt Akera thevestensis (140539)
Late/Upper Turonian93.9 - 89.8Brazil (Sergipe) Akera sp. (143534)
Late/Upper Campanian83.6 - 72.2USA (Texas) Akera constricta (7481)
Danian66.0 - 61.66France Akera sp. (20816)
Ypresian56.0 - 48.07USA (California) Akera maga (51942) Akera sp. (167604)
Ypresian56.0 - 48.07Pakistan Akera pseudodesioi (183835 183884 183926 183927 183933 184065)
Lutetian48.07 - 41.03USA (California) Akera maga (8012)
Lutetian48.07 - 41.03Pakistan Akera pseudodesioi (183965)
Lutetian48.07 - 41.03USA (Texas) Akera sp. (205417) Akera texana (90455)
Middle Eocene48.07 - 37.71Indonesia Akera striatella (79524)
Bartonian41.03 - 37.71Colombia (Bolivar) Akera bolivarensis (3312)
Bartonian41.03 - 37.71Colombia Akera bolivarensis (88278)
Bartonian41.03 - 37.71Romania Akera striatella (101813 101821)
Priabonian37.71 - 33.9Romania Akera striatella (102019)
Early/Lower Oligocene33.9 - 27.3Italy Akera striatella (81044)
Rupelian33.9 - 27.3Pakistan Acera narica (77159)
Aquitanian23.04 - 20.45France Akera bullata (74861)
Late/Upper Pleistocene0.129 - 0.0117Australia (Western Australia) Akera soluta (63208)