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Neilsonia

Gastropoda - Murchisoniina - Gosseletinidae

Taxonomy
Neilsonia was named by Thomas (1940) [Sepkoski's age data: C Vise-l P Sakm Sepkoski's reference number: 797]. Its type is Neilsonia roscobiensis. It is the type genus of Neilsoniinae.

It was assigned to Archaeogastropoda by Sepkoski (2002); to Neilsoniinae by Knight et al. (1960), Bouchet et al. (2005); and to Eotomariidae by Mazaev (2015).

Species
N. insculpta, N. invisitata, N. laticincta, N. nuda, N. roscobiensis (type species), N. uninodocarinata, N. welleri
Species lacking formal opinion data
N. seussae

Synonymy list
YearName and author
1940Neilsonia Thomas p. 46
1960Neilsonia Knight et al. p. 207
2002Neilsonia Sepkoski
2005Neilsonia Bouchet et al. p. 114
2015Neilsonia Mazaev p. 888

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyEotomarioidea
familyGosseletinidae
subfamilyNeilsoniinae
genusNeilsonia

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. †Neilsonia Thomas 1940
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†Neilsonia insculpta Hall 1856
†Neilsonia invisitata Hoare et al. 1997
†Neilsonia laticincta Batten 1989
†Neilsonia nuda Mazaev 2015
†Neilsonia roscobiensis Thomas 1940
†Neilsonia welleri Thein and Nitecki 1974
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height53.001.805.802.202.05
shell diameter54.654.424.904.660.339

Composition: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ribbing: minorf
Environment: coastal, marineo
Locomotion: slow-movingf
Life habit: epifaunalf
Diet: detritivoref
Vision: limitedf
Created: 2009-06-11 17:54:14
Modified: 2025-08-08 14:12:49
Source: f = family, o = order
References: Bambach et al. 2007, Hendy 2009

Age range: base of the Chadian to the top of the Changhsingian or 346.70000 to 251.90200 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Mississippian358.86 - 323.4USA (Indiana) N. sp. (224227)
Kinderhookian - Virgilian358.86 - 298.9USA (California) N. sp. (588)
Osagean351.9 - 342.9USA (Indiana) N. sp. (567)
Osagean351.9 - 342.9USA (Ohio) Murchisonia uninodocarinata (93067)
Chadian - Arundian346.7 - 339.9USA (Indiana) N. sp. (556 557)
Meramecian342.9 - 335.4USA (Indiana) Murchisonia insculpta (129910 129912 129930)
Brigantian335.9 - 330.3United Kingdom (Scotland) N. seussae (155580)
Brigantian335.9 - 330.3USA (Alabama) N. sp. (6790)
Brigantian335.9 - 330.3United Kingdom N. roscobiensis (90823)
Chesterian335.4 - 323.4USA (Illinois) N. welleri (59826)
Chesterian - Virgilian335.4 - 298.9USA (California) N. sp. (589)
Pendleian330.3 - 326.9USA (Nevada) N. welleri (5523 5525 5526)
Late/Upper Mississippian330.3 - 323.4USA (California) N. sp. (143606 143607 143608 143609 143613 143615 143621 143624)
Kungurian283.3 - 274.4USA (Texas) N. laticincta (43562)
Roadian274.4 - 266.9Russian Federation (Kirov) N. nuda (126333 126334 170190)
Changhsingian254.14 - 251.902Russian Federation N. sp. (60742)