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Hydrocenidae

Gastropoda - Cycloneritida - Hydrocenidae

Taxonomy
Hydrocenidae was named by Troschel (1856) [m. kosnik taxon no: 5278]. It is extant. Its type is Hydrocena.

It was assigned to Neritoidea by Beesley (1998); to Neritacea by Kosnik (2002); and to Hydrocenoidea by Bouchet et al. (2005) and Yu and Neubauer (2021).

Subtaxa
Georissa, Georissinae, Hydrocena (type genus)

Synonyms
Synonymy list
YearName and author
1856Hydrocenidae Troschel
1864Georissinae Blanford
1998Hydrocenidae Beesley p. 701
2002Hydrocenidae Kosnik p. 289
2005Hydrocenidae Bouchet et al. p. 246
2021Hydrocenidae Yu and Neubauer p. 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassNeritimorpha
orderCycloneritida()
superfamilyHydrocenoideaTroschel 1857
familyHydrocenidaeTroschel 1856
familyHydrocenidaeTroschel 1856

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.

Fm. Hydrocenidae Troschel 1856
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G. Georissa Blanford 1864
G. Hydrocena Küster 1844
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Subg. †Hydrocena (Hydrocena) Küster 1844
†Hydrocena praecursor Yu and Neubauer 2021
†Hydrocena trolli Schlickum 1979
Invalid names: Georissinae Blanford 1864 [invalid subgroup]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2004-02-29 11:40:59
Modified: 2010-02-11 01:35:02
Source: c = class
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Early/Lower Cenomanian to the top of the Messinian or 99.60000 to 5.33300 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian99.6 - 93.5Myanmar Hydrocena praecursor (161726)
MN 613.65 - 12.75Poland Hydrocena trolli (231087) Pseudamnicola helicella (231086)
Messinian7.246 - 5.333Italy Hydrocena moncuccoensis (172917)
Messinian7.246 - 5.333Italy (Piedmont) Hydrocena moncuccoensis (172910 199859)