PBDB Taxon

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

Scalites keizanensis

Gastropoda - Euomphalina - Raphistomatidae

Taxonomy

Raphistoma keizanense was named by Kobayashi (1934). It is not a trace fossil.

It was recombined as Palaeomphalus keizanensis by Kobayashi (1958); it was recombined as Scalites keizanensis by Wagner (2023).

Synonyms

Palaeomphalus giganteus was named by Kobayashi (1959). It is not extant. Its type locality is Kobayashi Locality 34. South End of Pulau Langgon (Languun), which is in a Fennian carbonate limestone in the Lower Setul Formation of Malaysia.

It was recombined as Scalites giganteus by Wagner (1999); it was synonymized subjectively with Raphistoma keizanense by Wagner (2023).

Synonymy list

Year	Name and author
1932	Palaeomphalus giganteus Endo p. 60 figs. pl. 23 f. 19-20, not pl. 26 f. 7-8;
1934	Raphistoma keizanense Kobayashi pp. 372 - 373 figs. pl. 7 f. 1-7, 14
1958	Palaeomphalus keizanensis Kobayashi p. 88 figs. pl. 5 f. 8a-b, 9a-b
1958	Palaeomphalus giganteus Kobayashi pp. 395 - 396 figs. txt. f. 3a; pl 25 f. 2a-c, 3a-c; pl. 26
1959	Palaeomphalus giganteus Kobayashi p. 60 figs. pl. 23 f. 19-20, not pl. 26 f. 7-8;
1999	Scalites giganteus Wagner p. 74
2023	Scalites keizanensis Wagner p. S734

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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	Eogastropoda
order	Euomphalina
superfamily	Raphistomatoidea
family	Raphistomatidae	()
genus	Scalites
species	keizanensis	()

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.

†Scalites keizanensis Kobayashi 1934

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Invalid names: Scalites giganteus Kobayashi 1959 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Entire body:

yesg

Adult length:

10 to < 100g

Adult width:

10 to < 100g

Adult height:

10 to < 100g

Locomotion:

stationaryo

Life habit:

epifaunalo

Diet:

suspension feedero

Vision:

limitedc

Created:

2009-03-04 10:23:58

Modified:

2009-03-04 12:23:58

Source: g = genus, o = order, c = class

References: Kiessling 2004, Bambach et al. 2007, Hendy 2009

Age range: base of the Fennian to the top of the Llandeilo or 470.70000 to 458.20000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Fennian	470.7 - 468.0	Malaysia (Palau Lankawi Island)	Palaeomphalus giganteus (56164 56168 172824)
Llanvirn - Early/Lower Llandeilo	468.0 - 458.2	South Korea (Kangwon-do)	Palaeomphalus keizanensis (56173)
Early/Lower Llandeilo	461.1 - 458.2	North Korea (Hamgyong-namdo)	Palaeomphalus keizanensis (56175)
Llandeilo	461.1 - 458.2	South Korea	Palaeomphalus keizanensis (56172)