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Retispira monronensis

Gastropoda - Bellerophontida - Bellerophontidae

Taxonomy
Bellerophon monroensis was named by Weller (1916). It is not extant. Its type locality is Bed No. 8, Fountain Creek, 2 miles southwest of Waterloo, which is in a Chesterian carbonate limestone in the Ste. Genevieve Formation of Illinois.

It was recombined as Bucanopsis monroensis by Hernon (1935); it was recombined as Retispira monronensis by Thein and Nitecki (1974), Wagner (2023).

Synonymy list
YearName and author
1916Bellerophon monroensis Weller
1935Bucanopsis monroensis Hernon
1974Retispira monronensis Thein and Nitecki p. 51
2023Retispira monronensis Wagner p. 6090

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
orderBellerophontidaUlrich and Scofield 1897
suborderBellerophontina
superfamilyBellerophontoidea()
familyBellerophontidae
subfamilyKnightitinae
genusRetispira
speciesmonronensis()

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.

Retispira monronensis Weller 1916
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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: Chesterian or 335.40000 to 323.40000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Carboniferous358.86 - 298.9USA (Arizona) Bucanopsis monroensis (124253)
Chesterian335.4 - 323.4USA (Illinois) Bellerophon monroensis (type locality: 68188)