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Holopea

Gastropoda - Euomphalina - Holopeidae

Taxonomy
Holopea was named by Hall (1847) [Sepkoski's age data: O Aren-u C Serp-l Sepkoski's reference number: 797]. It is not extant. Its type is Holopea symmetrica. It is the type genus of Holopeidae.

It was reranked as Macrocheilus (Holopea) by Hall (1859); it was reranked as Cyclonema (Holopea) by Scofield (1897).

It was assigned to Macrocheilus by Hall (1859); to Trochonematidae by Ulrich and Scofield (1897); to Cyclonema by Scofield (1897); to Holopeinae by Knight et al. (1960); to Euomphalina by Sepkoski (2002); and to Holopeidae by Gischler et al. (2004) and Bouchet et al. (2005).

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1847Holopea Hall
1859Macrocheilus (Holopea) Hall p. 21
1866Litiopsis Salter p. 346
1897Haplospira Koken
1897Cyclonema (Holopea) Scofield p. 1063
1897Holopea Ulrich and Scofield
1903Cirropsis Perner
1903Tortilla Perner
1907Staurospira Perner p. 304
1960Holopea Knight et al. p. 239
2002Haplospira Sepkoski, Jr.
2002Holopea Sepkoski, Jr.
2004Holopea Gischler et al. p. 132
2005Holopea Bouchet et al. p. 89

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyHolopeidae
genusHolopea

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.

Diagnosis
No diagnoses are available
Measurements
partNmean
shell height10.600

Composition: aragonitec
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Locomotion: stationarysuperf
Life habit: epifaunalsuperf
Diet: suspension feedersuperf
Vision: limitedc
Comments: BODY SIZE: Data from Knight et al. (1960).g
Created: 2009-06-05 19:08:07
Modified: 2009-06-05 21:08:07
Source: g = genus, superf = superfamily, c = class
References: Kiessling 2004, Knight et al. 1960, Bambach et al. 2007

Age range: base of the Arenig to the top of the Changhsingian or 478.60000 to 252.17000 Ma

Collections (197 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Tremadocian485.4 - 477.7Iran H. sp. (66865)
Tulean - Blackhillsian485.4 - 471.8United Kingdom (Scotland) H. leiosoma (188699)
Arenig478.6 - 466.0Greenland Holopea indet. (122108)
Middle Ordovician470.0 - 458.4USA (New York) H. sp. (333)
Kunda468.1 - 463.5Estonia H. eichwaldi (56202)
Whiterock - Mohawkian468.1 - 452.5USA (Minnesota) H. 2 spp. (10767)
Uhaku466.0 - 460.9Estonia H. eichwaldi (56206)
Uhaku466.0 - 460.9Norway (Oslo-Asker) Naticonema praecursor (56197)
Chazy466.0 - 457.5Canada (Quebec) H. vigneauensis (56180)
Chazy466.0 - 457.5USA (New York) H. plauta (172171) H. plautus, H. scrutator (172321) H. scrutator (56184 172144 172180 172294)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Pridoli423.0 - 419.2USA (Maryland) H. sp. (488)
Paadla422.9 - 419.2Estonia (Saare) H. undata (195603)
Lochkovian419.2 - 410.8Australia (New South Wales) H. sp. (45710)
Gedinnine416.0 - 412.3Kazakhstan (Karagandinskaya Oblast) H. sp. (69183 69184)
Emsian407.6 - 393.3Canada (Quebec) H. wakenhami, H. sp. (608)
Middle Devonian393.3 - 382.7USA (Alaska) H. sp. (111900)
Givetian387.7 - 382.7USA (Pennsylvania) H. sp. (627)
Frasnian382.7 - 372.2USA (Iowa) H. iowaensis (56255)
Wuchiapingian259.9 - 254.17China (Qinghai) H. pumila (122300) H. sp. (56723)
Changhsingian254.17 - 252.17China (Jiangxi) H. sp. (60523 60524)