PBDB Taxon

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

Biarmatoidella lorioli

Gastropoda - Eucyclidae

Taxonomy

Trochus (Ziziphinus) lorioli was named by Greppin (1898).

It was recombined as Biarmatoidella lorioli by Gründel (2003).

Synonyms

Monodonta biarmata was named by Münster (1867). It is extant.

It was synonymized subjectively with Biarmatoidella lorioli by Gründel et al. (2012).
Trochus biarmatus was named by Münster (1844). It is extant.

It was recombined as Biarmatoidella biarmata by Gründel (2003); it was recombined as Calliotropis biarmata by Kaim (2004); it was synonymized subjectively with Biarmatoidella lorioli by Gründel et al. (2012).
Trochus triarmatus was named by Hebert and Deslongchamps (1860). It is extant.

It was recombined as Riselloidea triarmata by Haegele (1997); it was synonymized subjectively with Biarmatoidella lorioli by Gründel et al. (2012).
Riselloidea biarmata was named by Bosch (1998). It is extant.

It was synonymized subjectively with Biarmatoidella lorioli by Gründel et al. (2012).
Trochus bitorquatus was named by Hebert and Eudes-Deslongchamps (1860).

It was synonymized subjectively with Calliotropis biarmata by Kaim (2004).

Synonymy list

Year	Name and author
1844	Trochus biarmatus Münster
1860	Trochus triarmatus Hebert and Deslongchamps
1860	Trochus bitorquatus Hebert and Eudes-Deslongchamps
1867	Monodonta biarmata Münster
1898	Trochus (Ziziphinus) lorioli Greppin
1997	Riselloidea triarmata Haegele
1998	Riselloidea biarmata Bosch
2003	Biarmatoidella biarmata Gründel
2003	Biarmatoidella lorioli Gründel
2004	Calliotropis biarmata Kaim p. 22 figs. 9B-E

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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
subfamily	Calliotropinae	Hickman and McLean 1990
genus	Biarmatoidella	Gründel 2003
species	lorioli	(Greppin 1898)

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.

†Biarmatoidella lorioli Greppin 1898

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Invalid names: Monodonta biarmata Münster 1867 [synonym], Riselloidea biarmata Bosch 1998 [synonym], Riselloidea triarmata Hebert and Deslongchamps 1860 [synonym], Trochus biarmatus Münster 1844 [synonym]

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: Kiessling 2004, Hendy et al. 2009

Age range: base of the Early/Lower Bajocian to the top of the Middle Bathonian or 170.90000 to 165.30000 Ma

Collections (11 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Bajocian	170.9 - 168.6	Germany	Biarmatoidella lorioli (150927 150928 151069)
Sauzei	170.9 - 168.2	Morocco	Riselloidea biarmata (97894)
Late/Upper Bajocian	168.6 - 168.2	Poland	Calliotropis biarmata (63073)
Bathonian	168.2 - 165.3	Poland	Calliotropis biarmata (63076)
Late/Upper Bathonian	168.2 - 165.3	Germany	Riselloidea biarmata (58242)
Middle Bathonian	168.2 - 165.3	Poland	Calliotropis biarmata (63077 63078)
Bathonian - Middle Callovian	168.2 - 161.5	Germany	Riselloidea biarmata (58258 58380)