PBDB Taxon

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

Diplocidaris

Echinoidea - Cidaroida - Diplocidaridae

Taxonomy

Diplocidaris is a genus. It is not extant. It is the type genus of Diplocidaridae.

It was assigned to Cidaroida by Sepkoski (2002); and to Diplocidaridae by Fell (1966), Smith (2015), Hostettler et al. (2017) and Bischof et al. (2018).

Species

D. bernasconii, D. crausiensis, D. desori, D. gigantea (syn. Cidaris pustulifera, Cidaris cladifera), D. undulata (syn. D. etalloni), D. wrightii (syn. Cidaris pustulata)

Synonyms

Rolliericidaris was named by Vadet (1991). It is not extant.

It was synonymized subjectively with Diplocidaris by Hostettler et al. (2017).

It was assigned to Diplocidaridae by Vadet et al. (2002).
Diplocidaris desori was named by Wright (1857). It is a 3D body fossil. Its type locality is Near Yeovil (unknown level), which is in a Toarcian/Aalenian carbonate limestone in the United Kingdom.

It was considered a nomen dubium by Smith (2015).
Diplocidaris wrightii was named by Desor (1855). Its type specimen is BMNH E1569 and is a 3D body fossil. Its type locality is Crickley Hill (Wright collection), which is in a Murchisonae reef, buildup or bioherm limestone/marl in the Birdlip Limestone Formation of the United Kingdom.

It was considered a nomen dubium by Smith (2015).
Cidaris pustulata was named by Wright (1861).

It was synonymized subjectively with Diplocidaris wrightii by Smith (2015).

Synonymy list

Year	Name and author
1855	Diplocidaris wrightii Desor
1857	Diplocidaris desori Wright
1861	Cidaris pustulata Wright
1966	Diplocidaris Fell p. U339
1991	Rolliericidaris Vadet
2002	Diplocidaris Sepkoski
2002	Rolliericidaris Vadet et al.
2015	Diplocidaris Smith p. 18
2017	Diplocidaris Hostettler et al. p. 415
2018	Diplocidaris Bischof et al. p. 11

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Echinodermata
subphylum	Eleutherozoa

Rank	Name	Author
—	Echinozoa	()
class	Echinoidea	()
subclass	Cidaroidea	(Claus 1880)
order	Cidaroida	()
family	Diplocidaridae	Gregory 1900
genus	Diplocidaris

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. †Diplocidaris

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†Diplocidaris bernasconii Bischof et al. 2018

†Diplocidaris crausiensis Lambert 1900

†Diplocidaris gigantea Agassiz 1840

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Invalid names: Cidaris cladifera Agassiz 1840 [synonym], Cidaris pustulifera Agassiz 1840 [synonym]

†Diplocidaris undulata Agassiz 1840

hide

Invalid names: Diplocidaris etalloni Desor 1869 [synonym]

Invalid names: Diplocidaris desori Wright 1857 [nomen dubium], Diplocidaris wrightii Desor 1855 [nomen dubium], Rolliericidaris Vadet 1991 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

high Mg calciteo

Ontogeny:

accretion, addition of partsp

Environment:

marineo

Locomotion:

slow-movingo

Life habit:

low-level epifaunalo

Diet:

grazero

Diet 2:

omnivoreo

Vision:

limitedc

Dispersal:

watero

Dispersal 2:

planktonico

Created:

2004-02-28 12:08:25

Modified:

2009-12-13 03:42:21

Source: o = order, c = class, p = phylum

References: Aberhan 1992, Kiessling 2004

Age range: base of the Toarcian to the top of the Early/Lower Tithonian or 182.70000 to 145.00000 Ma

Collections (25 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Toarcian	183.0 - 182.0	United Kingdom (Somerset)	D. sp. 1 (195989)
Toarcian	182.7 - 174.1	United Kingdom (Oxfordshire)	D. sp. 1 (195988)
Toarcian - Aalenian	182.7 - 170.3	United Kingdom (Somerset)	D. desori (195990)
Murchisonae	175.6 - 171.6	United Kingdom	D. sp. (195992)
Murchisonae	175.6 - 171.6	United Kingdom (England)	D. wrightii (196365)
Garantiana	171.6 - 167.7	United Kingdom (Somerset)	D. sp. 2 (195991)
Sauzei	171.6 - 167.7	United Kingdom	D. sp. (171172)
Sauzei	171.6 - 167.7	United Kingdom (Dorset)	D. sp. (195993)
Bajocian	170.3 - 168.3	United Kingdom (Somerset)	D. sp. (195986)
Bathonian	168.3 - 166.1	United Kingdom (Wiltshire)	D. sp. (195994)
Callovian - Oxfordian	166.1 - 157.3	Ukraine	D. sp. (67868)
Late/Upper Oxfordian	161.2 - 155.7	Switzerland	D. subangularis (58317)
Middle Oxfordian	161.2 - 155.7	Switzerland (Basellandschaft)	D. undulata, D. gigantea (196422 196423)
Middle Oxfordian	161.2 - 155.7	Switzerland (Jura)	D. bernasconii (196460) D. gigantea (196431 196470)
Middle Oxfordian	161.2 - 155.7	France (Lorraine)	Rolliericidaris etalloni (21273)
Middle Oxfordian	161.2 - 155.7	Switzerland (Solothurn)	D. bernasconii (196464) D. gigantea (196424)
Kimmeridgian	157.3 - 152.1	Portugal	D. gigantea (68212)
Kimmeridgian	157.3 - 152.1	Armenia	D. gigantea (196492)
Early/Lower Kimmeridgian	155.7 - 150.8	Algeria	D. gigantea (196454)
Early/Lower Kimmeridgian	155.7 - 150.8	Portugal	D. gigantea (34661)
Early/Lower Tithonian	150.8 - 145.0	France (Provence-Alpes-Côte d'Azur)	D. gigantea (35262)