PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Calliomphalus (Calliomphalus) nudus

Gastropoda - Eucyclidae

Taxonomy

Calliomphalus (Calliomphalus) nudus was named by Sohl (1960). Its type specimen is USNM 128389, a shell, and it is a 3D body fossil.

Sister species lacking formal opinion data

C. aptianus, C. bellulus, C. boimstrofensis, C. colerainensis, C. coquandi, C. crucianus, C. dichotomus, C. ewaldi, C. firketi, C. granulatus, C. ilsae, C. inaequecostatus, C. orientalis, C. rimosus, C. s., C. segregatus, C. squamulosus, C. dichotomus, C. inaequecostatus, C. orientalis, C. plachetkoi, C. amatus, C. argenteus spinosus, C. fruchti, C. mexcalensis, C. miliariformis, C. nasilowensis, C. quadricinctus, C. fruchti, C. miliariformis

Synonymy list

Year	Name and author
1960	Calliomphalus (Calliomphalus) nudus Sohl p. 54 figs. Pl 5, figs 32,33

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Gastropoda
subclass	Vetigastropoda	(Salvini-Plawen 1980)
superfamily	Seguenzioidea	Verril 1884
family	Eucyclidae	Koken 1896
genus	Calliomphalus	Cossmann 1888
subgenus	Calliomphalus
species	nudus

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.

†Calliomphalus (Calliomphalus) nudus Sohl 1960

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobilesuperf

Life habit:

epifaunalsuperf

Diet:

grazersuperf

Vision:

limitedc

Created:

2009-09-10 08:46:29

Modified:

2009-09-10 10:47:18

Source: superf = superfamily, c = class

References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Late/Upper Campanian to the top of the Late/Upper Maastrichtian or 83.60000 to 66.00000 Ma

Collections (12 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Campanian	83.6 - 72.2	USA (Delaware)	Calliomphalus nudus (6171 6172)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Georgia)	Calliomphalus nudus (4292)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Mississippi)	Calliomphalus nudus (4101 4108 4118)
Late/Upper Maastrichtian	72.2 - 66.0	USA (South Carolina)	Calliomphalus nudus (4349 4351 4353 4354)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Alabama)	Calliomphalus nudus (4234 4237)