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Hydrocephalus

Trilobita - Redlichiida - Paradoxididae

Taxonomy
Hydrocephalus was named by Barrande (1846) [Sepkoski's age data: ]. It is not extant.

It was assigned to Paradoxididae by Whittington et al. (1997); and to Redlichiida by Sepkoski (2002).

Species lacking formal opinion data
H. carens, H. donayrei, H. harlani, H. rotundatus

Synonyms
Synonymy list
YearName and author
1846Hydrocephalus Barrande
1990Rejkocephalus Kordule
1997Hydrocephalus Whittington et al. p. 476
2002Rejkocephalus Jell and Adrain p. 438
2002Hydrocephalus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderRedlichiinaRichter 1932
superfamilyParadoxidoideaHawle and Corda 1847
familyParadoxididaeEmmrich 1839
genusHydrocephalusBarrande 1846

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. †Hydrocephalus Barrande 1846
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Invalid names: Rejkocephalus Kordule 1990 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivoresuperf
Vision: well-developedf
Comments: BODY SIZE: Data from Whittington et al. (1997).g
Created: 2009-06-08 10:43:59
Modified: 2009-06-08 12:43:59
Source: g = genus, f = family, superf = superfamily, o = order, c = class
References: Hendy et al. 2009, Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the Middle Cambrian to the top of the Amgan or 509.00000 to 504.50000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Amgan510.2 - 504.5Czech Republic (Bohemia) H. mandiki, Rejkocephalus knizeki (67738)
Solvan - Menevian510.2 - 499.5Czech Republic H. carens (73557 73561) H. carens, H. rotundatus (73529) H. lyelli (73539 73541) H. minor, H. rotundatus (73537)
Middle Cambrian509.0 - 497.0Czech Republic (Central Boemian) H. carens (76456)
Middle Cambrian509.0 - 497.0Czech Republic (Litavka) H. minor (76455) H. sp., Rejkocephalus sp. (76453)
Middle Cambrian509.0 - 497.0Czech Republic (Vinice) H. minor (76452)
Middle Cambrian509.0 - 497.0Czech Republic (Bohemia) H. carens (67775)
Middle Cambrian509.0 - 497.0Czech Republic H. carens (199038 199039)
Middle Cambrian509.0 - 497.0Spain (Aragon) H. harlani (120551 120553)
Middle Cambrian509.0 - 497.0Spain H. donayrei (55265)