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Pseudomalaxis

Gastropoda - Heterostropha - Architectonicidae

Synonyms
Synonymy list
YearName and author
1850Pseudomalaxis Fischer
1892Discohelix (Discosolis) Dall p. 231
1960Pseudomalaxis Sohl p. 65
1975Pseudomalaxis Buonaiuto p. 24
1977Pseudomalaxis Adegoke p. 114
1982Pseudomalaxis Ladd p. 30
2001Pseudomalaxis Todd
2002Pseudomalaxis Sepkoski
2007Pseudomalaxis Wienrich and Janssen p. 732

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
orderHeterostropha()
superfamilyArchitectonicoideaGray 1840
familyArchitectonicidaeGray 1850
genusPseudomalaxisFischer 1850

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. Pseudomalaxis Fischer 1850
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Subg. †Pseudomalaxis (Ewekorolaxis) Adegoke 1977
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Subg. †Pseudomalaxis (Platylaxis) Adegoke 1977
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Pseudomalaxis caceresi Etayo-Serna 1979
Pseudomalaxis pateriformis Stephenson 1955
Invalid names: Discosolis Dall 1892 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-05-20 05:00:49
Modified: 2009-09-10 09:25:24
Source: f = family, c = class
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Late/Upper Albian to the top of the Late/Upper Pliocene or 105.30000 to 2.58800 Ma
Minimum age of oldest fossil (stem group age): 99.6 Ma

Collections (95 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Albian105.3 - 99.6Indian Ocean P. sp. (181562)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (Mississippi) P. pateriformis (7456 7460 32140 32141)
Late/Upper Campanian83.5 - 70.6USA (Delaware) P. sp. (6171)
Late/Upper Campanian83.5 - 70.6USA (Tennessee) P. ripleyana, P. amplificata (88357)
Late/Upper Campanian83.5 - 70.6USA (Texas) P. patens (7482 7580)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (Tennessee) P. pilsbryi, P. ripleyana, P. sp. (7515)
Maastrichtian72.1 - 66.0USA (Texas) P. patens (205529) P. sp. (205541)
Maastrichtian72.1 - 66.0USA (Mississippi) P. pilsbryi (7527 7600)
Maastrichtian72.1 - 66.0USA (Tennessee) P. ripleyana (205445)
Early/Lower Maastrichtian70.6 - 66.0USA (Alabama) P. pateriformis (4253) P. pilsbryi (4284) P. sp. (4248)
Early/Lower Maastrichtian70.6 - 66.0USA (Mississippi) P. pilsbryi (7476 7586 7592 7609) P. pilsbryi, P. sp. (7590 7602) P. sp. (4101)
Late/Upper Maastrichtian70.6 - 66.0USA (South Carolina) P. pilsbryi (4351) P. sp. (4342 4344)
Late/Upper Maastrichtian70.6 - 66.0USA (Maryland) P. pateriformis (4364 4372) P. pilsbryi (4368 4369 4370)
Late/Upper Maastrichtian70.6 - 66.0USA (Missouri) P. pateriformis (4385)
Late/Upper Maastrichtian70.6 - 66.0USA (Texas) P. pateriformis (4435 4455) P. sp. (4411 4427 4431 4442 4487)
Late/Upper Maastrichtian70.6 - 66.0USA (Alabama) P. pilsbryi (4237)
Late/Upper Maastrichtian70.6 - 66.0USA (Mississippi) P. pateriformis (4127)
Danian66.0 - 61.6Belgium P. carinicrenata (22931)
Danian66.0 - 61.6USA (Maryland) P. ripleyana (83135)
Danian66.0 - 61.6Greenland P. sp. (22943)
Danian66.0 - 61.6Colombia (Guajira) P. caceresi (99141)
Danian66.0 - 61.6USA (Alabama) P. sp. (83297)
Danian66.0 - 61.6Denmark P. sp. (176994)
Selandian61.6 - 59.2Denmark P. pingeli (35266 35267) P. pingeli, P. groenwalli (35265)
Selandian61.6 - 59.2Colombia P. caceresi (180400)
Selandian61.6 - 59.2Nigeria P. ewekoroensis, P. parisot, P. sp., P. fayosei, P. kayodei, P. africana, P. nigeriensis (7791)
Thanetian59.2 - 56.0Mexico P. sp. (170996)
Ypresian56.0 - 47.8Pakistan P. punjabensis (183845)
Ypresian56.0 - 47.8USA (Alabama) P. verrilli (92269 92345)
Ypresian56.0 - 47.8USA (Texas) P. acuta (89949) P. acuta, P. reklawensis (7788 84337) P. reklawensis (7789 83950 84325)
Lutetian47.8 - 41.3USA (Texas) P. acuta, P. reklawensis (205533) P. plummerae (90651 205496) P. reklawensis (205223 205520 205521) P. sp. (205436) P. texana (90455)
Bartonian41.3 - 38.0USA (Texas) P. acuta (205460 205461) P. plummerae (205430 205484) P. plummerae, P. rotella, P. texana (205422) P. plummerae, P. spp. (205480) P. sp. (205267)
Bartonian41.3 - 38.0USA (Mississippi) P. rotella (2434 2444 2451)
Bartonian41.3 - 38.0USA (Alabama) P. rotella (2421) P. rotella, P. tipa (90600) P. sp. (205489)
Late/Upper Eocene37.2 - 33.9Australia (South Australia) P. asculpturatus (99241 99242 99243 99244 99245)
Early/Lower Miocene23.03 - 15.97Germany (North Rhein-Westfalia) P. corniculum (62883)
Middle Miocene15.97 - 11.608Australia (Victoria) P. praemeridionalis (72196)
Middle Miocene15.97 - 11.608Germany (North Rhein-Westfalia) P. corniculum (61902)
Late/Upper Miocene11.608 - 5.333Indonesia P. palembangensis, P. sp. 1 (70083)
Late/Upper Pliocene3.6 - 2.588Fiji P. roddai (78066)