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Polycyphus

Echinoidea - Stomopneustoida - Stomechinidae

Taxonomy
Polycyphus was named by Agassiz and Desor (1846) [Sepkoski's age data: J Bath J Oxfo].

It was assigned to Stomechinidae by Fell and Pawson (1966); and to Phymosomatoida by Sepkoski (2002).

Synonymy list
YearName and author
1846Polycyphus Agassiz and Desor p. 361
1966Polycyphus Fell and Pawson p. U406
2002Polycyphus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
—Echinacea()
orderStomopneustoida
familyStomechinidae()
genusPolycyphus

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. †Polycyphus Agassiz and Desor 1846
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilec
Life habit: epifaunalc
Diet: grazerc
Diet 2: deposit feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:05:24
Modified: 2010-02-12 04:00:29
Source: c = class, p = phylum
References: Aberhan 1992, Kiessling 2004

Age range: base of the Bajocian to the top of the Kimmeridgian or 170.30000 to 152.10000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Middle Jurassic174.7 - 161.5Jordan P. sp. (35357)
Bajocian170.3 - 168.3Saudi Arabia P. parvituberculatus (48112)
Bathonian168.3 - 166.1Saudi Arabia P. parvituberculatus (48405)
Callovian166.1 - 163.5Saudi Arabia P. arabicus (48585 48586) P. parvituberculatus (45541 45547)
Middle Callovian - Late/Upper Callovian164.7 - 161.2Saudi Arabia P. parvituberculatus (34544)
Oxfordian163.5 - 157.3Saudi Arabia P. parvituberculatus (46031)
Kimmeridgian157.3 - 152.1Poland (Korytnica) P. distinctus (157217)
Kimmeridgian157.3 - 152.1Poland (Malogoszcz) P. distinctus (157213)