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Thomasites wallsi

Cephalopoda - Ammonitida - Pseudotissotiidae

Taxonomy
Bauchioceras (Wrightoceras) wallsi was named by Reyment (1954) [DISTRIBUTION: Turonian; Cosmopolitan.]. Its type specimen is BMNH C.47417, a shell, and it is a 3D body fossil. Its type locality is Kanawa, which is in a Turonian marine horizon in the Pindiga Formation of Nigeria. It is the type species of Bauchioceras (Wrightoceras).

It was recombined as Pseudotissotia (Wrightoceras) wallsi by Reyment (1955), Barber (1957), Meister (1989); it was recombined as Wrightoceras wallsi by Chancellor (1982), Zaborski (1987), Kennedy et al. (1987), Kennedy and Simmons (1991); it was recombined as Thomasites wallsi by Meister et al. (1994).

Sister species lacking formal opinion data
T. globosotuberculatus, T. inflatus, T. jourdani

Synonymy list
YearName and author
1954Bauchioceras (Wrightoceras) wallsi Reyment p. 160 figs. pl. 2, fig. 4
1955Pseudotissotia (Wrightoceras) wallsi Reyment p. 71 figs. Pl 24, fig 1; text-figs 32a,c,d
1957Pseudotissotia (Wrightoceras) wallsi Barber p. 53 figs. Pl 2, figs 1,2; pl 34, figs 5,13
1982Wrightoceras wallsi Chancellor p. 118
1987Wrightoceras wallsi Kennedy et al. p. 58
1987Wrightoceras wallsi Zaborski p. 51 figs. 36-37
1989Pseudotissotia (Wrightoceras) wallsi Meister p. 49 figs. Pl 28, figs 1-3; text-fig 35
1991Wrightoceras wallsi Kennedy and Simmons p. 143
1994Thomasites wallsi Meister et al. p. 213 figs. Pl 10, figs 2,4; text-fig 13

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyAcanthoceratoidea(de Grossouvre 1894)
familyPseudotissotiidae(Hyatt 1903)
genusThomasitesPervinquiére 1907
specieswallsi()

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.

†Thomasites wallsi Reyment 1954
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height114.0
shell diameter150.0
shell inflation19.00

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Early/Lower Turonian or 93.90000 to 89.80000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian - Early/Lower Turonian100.5 - 89.8Nigeria Pseudotissotia wallsi (82779)
Early/Lower Turonian93.9 - 89.8Niger Thomasites wallsi (175490)
Early/Lower Turonian93.9 - 89.8Nigeria Bauchioceras wallsi (type locality: 210211 210212) Pseudotissotia wallsi (83008 83010 83021 83023 83026 175525 175531 209704 210104) Wrightoceras wallsi (69518)