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Ptychosphaera

Gastropoda - Bellerophontida - Bellerophontidae

Taxonomy
Ptychosphaera was named by Perner (1903) [Sepkoski's age data: S Ludl-u S Prid Sepkoski's reference number: 615]. It is not extant. Its type is Ptychosphaera constricta.

It was assigned to Bellerophontinae by Knight et al. (1960); to Cymbulariinae by Horný (1963); and to Bellerophontida by Sepkoski (2002).

Synonymy list
YearName and author
1903Ptychosphaera Perner
1960Ptychosphaera Knight et al. p. 182
1963Ptychosphaera Horný
2002Ptychosphaera Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
orderBellerophontidaUlrich and Scofield 1897
suborderBellerophontina
superfamilyBellerophontoidea()
familyBellerophontidae
subfamilyCymbulariinae
genusPtychosphaera

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. †Ptychosphaera Perner 1903
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†Ptychosphaera carinata de Sowerby and Murchison 1839
†Ptychosphaera constricta Perner 1903
†Ptychosphaera convolutus de Koninck 1876
†Ptychosphaera obesa Wang 1980
†Ptychosphaera ouralicus Murchison et al. 1845
†Ptychosphaera thalia Hall 1859
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height212.312.012.712.30.495

Composition: aragoniteo
Composition 2: low Mg calciteo
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Locomotion: slow-movingf
Life habit: low-level epifaunalf
Diet: detritivoref
Vision: limitedc
Created: 2009-06-11 14:40:27
Modified: 2009-10-11 13:36:14
Source: f = family, o = order, c = class
References: Hendy 2009, Kiessling 2004

Age range: base of the Telychian to the top of the Changhsingian or 438.50000 to 252.17000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Telychian438.5 - 433.4United Kingdom (Wales) Bucaniopsis carinatus (56394)
Gorstian427.4 - 425.6Ukraine (Podolia) Bellerophon uralicus (155617)
Gorstian427.4 - 425.6Czech Republic (Praha) P. constricta (58980 154949 154950)
Ludfordian425.6 - 423.0Canada (Nova Scotia) Cymbularia carinata (3843)
Pridoli423.0 - 419.2Czech Republic (Praha) P. constricta (155864)
Lochkovian419.2 - 410.8Czech Republic (Praha) P. constricta (56216)
Lochkovian419.2 - 410.8Morocco P. constricta (13935 13936)
Emsian407.6 - 393.3Australia (New South Wales) P. convolutus (43890)
Givetian387.7 - 382.7USA (New York) Bellerophon thalia (155419)
Changhsingian254.17 - 252.17China (Guizhou) P. amplifalcata (112091) P. obesa (112017)