PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Retispira keyniana

Gastropoda - Bellerophontida - Bellerophontidae

Taxonomy

Bellerophon keynianus was named by de Koninck (1844). It is not extant.

It was recombined as Knightites (Retispira) keynianus by Batten (1966); it was recombined as Retispira keyniana by Wagner (2023).

Synonyms

Bucania waterkeyniana was named by de Koninck (1883). It is a 3D body fossil.

It was recombined as Bucaniopsis waterkeyniana by Weir (1931); it was recombined as Bucanopsis waterkeyniana by Hudson et al. (1966); it was synonymized subjectively with Knightites (Retispira) keynianus by Batten (1966).

Synonymy list

Year	Name and author
1844	Bellerophon keynianus de Koninck p. 340 figs. pl. 29 f. 4a-c
1883	Bucania waterkeyniana de Koninck p. 149 figs. pl. 42 f. 16-19
1931	Bucaniopsis waterkeyniana Weir p. 820
1966	Knightites (Retispira) keynianus Batten p. 12 figs. pl. 1 f. 13-14; txt. f. 1b
1966	Bucanopsis waterkeyniana Hudson et al.
2023	Retispira keyniana Wagner p. S4988

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

Rank	Name	Author
order	Bellerophontida	Ulrich and Scofield 1897
suborder	Bellerophontina
superfamily	Bellerophontoidea	()
family	Bellerophontidae
subfamily	Knightitinae
genus	Retispira
species	keyniana	()

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.

†Retispira keyniana de Koninck 1844

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Invalid names: Knightites (Retispira) waterkeynianus de Koninck 1883 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragoniteo

Composition 2:

low Mg calciteo

Entire body:

yesf

Adult length:

10 to < 100f

Adult width:

10 to < 100f

Locomotion:

slow-movingf

Life habit:

low-level epifaunalf

Diet:

detritivoref

Vision:

limitedc

Created:

2009-06-11 14:40:27

Modified:

2009-10-11 13:36:14

Source: f = family, o = order, c = class

References: Hendy 2009, Kiessling 2004

Age range: base of the Arundian to the top of the Brigantian or 346.70000 to 330.30000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Arundian - Holkerian	346.7 - 339.9	Ireland	Bucanopsis waterkeyniana (76517)
Visean	346.7 - 330.3	Belgium (Liége)	Bucania waterkeyniana (147082)
Brigantian	335.9 - 330.3	United Kingdom (England)	Knightites keynianus (57131)