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Norrisia

Gastropoda - Tegulidae

Taxonomy
Norrisia was named by Bayle (1880) [Sepkoski's age data: Q Plei R]. It is extant.

It was assigned to Trochidae by Palmer and Brann (1965); to Archaeogastropoda by Sepkoski (2002); and to Tegulidae by Alf (2019).

Synonyms
  • Trochiscus was named by Sowerby I (1838). It is extant.

    It was synonymized subjectively with Norrisia by Alf (2019).
Synonymy list
YearName and author
1838Trochiscus Sowerby I
1880Norrisia Bayle
1965Norrisia Palmer and Brann p. 800
2002Norrisia Sepkoski
2019Norrisia Alf p. 76

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassVetigastropoda(Salvini-Plawen 1980)
superfamilyTrochoidea(Rafinesque 1815)
familyTegulidae(Kuroda et al. 1971)
genusNorrisiaBayle 1880

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. Norrisia Bayle 1880
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Norrisia norrisii Sowerby I 1838
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Invalid names: Trochiscus convexus Carpenter 1864 [synonym], Turbo rotelliformis Jay 1839 [synonym]
Invalid names: Trochiscus Sowerby I 1838 [synonym]
Diagnosis
ReferenceDiagnosis
A. Alf 2019Shell medium size; thick shelled; broadly trochiform, spire short coniform; whorls convex toalmost straight, periphery, base rounded; smooth, only with microscopic growth lines; broardly umbilicate; TURBINIDAEouter lip sharp, oblique; columella concave with one tubercle at base; operculum with spiral tufts on eachvolution
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: grazersuperf
Vision: limitedc
Created: 2009-09-10 08:47:46
Modified: 2009-09-10 10:47:46
Source: superf = superfamily, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Selandian to the top of the Late/Upper Pleistocene or 61.60000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 59.2 Ma

Collections (43 total)


Time interval Ma Country or state Original ID and collection number
Selandian61.6 - 59.2Nigeria N. aurilitoralis (7791)
Lutetian47.8 - 41.3USA (Texas) N. micromphala (2411)
Lutetian47.8 - 41.3USA (Mississippi) N. micromphala (2414 2415)
Bartonian41.3 - 38.0USA (Texas) N. nautiloides (205422) N. sp. (205485)
Bartonian41.3 - 38.0USA (Alabama) N. micromphala (2417 2441) N. micromphala, N. nautiloides, N. nitens, N. sp. (205489) N. nautiloides, N. micromphala, N. nitens, N. parva (90600)
Zanclean - Gelasian5.333 - 1.806USA (California) N. sp. (214270 214272)
Late/Upper Pliocene3.6 - 2.588USA (California) N. sp. (214967)
Early/Lower Pleistocene2.588 - 0.781USA (California) N. norrisi (202495 223033)
Pleistocene2.588 - 0.0117Mexico (Baja California) N. norrisi (96590 96592 96593)
Quaternary2.58 - 0.0USA (California) N. norrisii (37937)
Middle Pleistocene0.774 - 0.129USA (California) N. norrisi (202493 203114) N. norrisii (203113)
Late/Upper Pleistocene0.129 - 0.0117Mexico N. norrisi (226464)
Late/Upper Pleistocene0.129 - 0.0117USA (California) N. norrisi (59063 96566 96939 160361 202490 219030) N. norrisii (222659) Trochiscus norrisii (222674)
Late/Upper Pleistocene (interglacial)0.129 - 0.0117Mexico (Baja California) N. norrisi (89573 194399 194400 194405 194406 194407 194410 194415 194421 194430 194546)
Late/Upper Pleistocene0.129 - 0.0117Mexico (Baja California) N. norrisi (96591)