Sisophon (Permian of Cambodia)

Where: Cambodia (13.0° N, 103.0° E)

• Paleocoordinates: 31.5° S, 112.1° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sisophon Formation, Capitanian (264.3 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: G. Delpey. 1941. Les gasteropodes permiens du Cambodge, 1. Journal de Conchyologie 84:255-278 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107282: authorized by Matthew Clapham, entered by Matthew Clapham on 03.04.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Euomphalina - Euomphalidae
"Euomphalus subcircularis" = Leptomphalus subcircularis, "Euomphalus khmerianus" = Cylicioscapha khmeriana, "Euomphalus turritus n. sp." = Discotropis turritus, "Euomphalus klobukowskii" = Discotropis klobukowskii
"Euomphalus subcircularis" = Leptomphalus subcircularis Mansuy 1913 snail
"Euomphalus khmerianus" = Cylicioscapha khmeriana Mansuy 1914 snail
"Euomphalus turritus n. sp." = Discotropis turritus Delpey 1941 snail
"Euomphalus klobukowskii" = Discotropis klobukowskii Mansuy 1912 snail
 Euomphalina - Anomphalidae
"Turbinilopsis decoratus n. sp." = Anomphalus decoratus
"Turbinilopsis decoratus n. sp." = Anomphalus decoratus Delpey 1941 snail
 Neritoidea - Naticopsidae
"Neritina prisca" = Naticopsis priscus, "Naticopsis piriformis" = Naticopsis (Naticopsis) piriformis, "Neritina khurensis" = Naticopsis (Naticopsis) khurensis
"Neritina prisca" = Naticopsis priscus Gemmellaro 1889 snail
"Naticopsis piriformis" = Naticopsis (Naticopsis) piriformis Mansuy 1912 snail
"Neritina khurensis" = Naticopsis (Naticopsis) khurensis Waagen 1880 snail
 Cycloneritida - Trachyspiridae
Trachydomia nodosa
Trachydomia nodosa Meek and Worthen 1860 snail
 Trochoidea - Araeonematidae
Yunnania meridionalis
Yunnania meridionalis Mansuy 1914 snail
 Trochoidea - Liotiidae
"Euomphalus solariiformis" = Dichostasia solariiformis
"Euomphalus solariiformis" = Dichostasia solariiformis Delpey 1941 snail
 Trochoidea - Turbinidae
Turbinilopsis rotundus n. sp.
Turbinilopsis rotundus n. sp. Delpey 1941 snail
 Murchisoniina - Rhaphistomellidae
"Sisenna" apsara n. sp.3
"Sisenna" apsara n. sp.3 Delpey 1941 snail
 Murchisoniina - Phymatopleuridae
Worthenia multicarinata3, Worthenia constantini3, Worthenia gubleri3, Worthenia schirjaevensis3, Worthenia pagoda3
Worthenia multicarinata3 Mansuy 1912 snail
Worthenia constantini3 Mansuy 1912 snail
Worthenia gubleri3 Delpey 1941 snail
Worthenia schirjaevensis3 Stuckenberg 1905 snail
Worthenia pagoda3 Mansuy 1914 snail
 Murchisoniina - Gosseletinidae
Ananias sp.2, "Ptychomphalus sisophonensis" = Glabrocingulum (Glabrocingulum) sarrauti3, "Worthenia pleurotomariformis" = Glabrocingulum (Stenozone) pleurotomariformis3, "Porcellia nodosa" = Ambozone nodosa3
Ananias sp.2 Knight 1945 snail
"Ptychomphalus sisophonensis" = Glabrocingulum (Glabrocingulum) sarrauti3 Mansuy 1912 snail
"Worthenia pleurotomariformis" = Glabrocingulum (Stenozone) pleurotomariformis3 Delpey 1941 snail
"Porcellia nodosa" = Ambozone nodosa3 Delpey 1941 snail
 Murchisoniina - Trochonematidae
"Trochonema" cambodgensis n. sp.
"Trochonema" cambodgensis n. sp. Delpey 1941 snail
 Murchisoniina - Lophospiridae
"Worthenia lantenoisi" = Platyworthenia lantenoisi3
"Worthenia lantenoisi" = Platyworthenia lantenoisi3 Mansuy 1913 snail
 Murchisoniina - Soleniscidae
Soleniscus typicus4, Soleniscus oviformis n. sp.4, Soleniscus acuminatus4, Soleniscus gubleri n. sp.4, "Soleniscus melanioides" = Bulimorpha melanioides4, "Procerithiopsis ambiguus" = Procerithiopsis ambigua4, "Angkorella sisophonensis n. gen. n. sp." = Cylindritopsis sisophonensis, "Soleniscus welleri" = Strobeus welleri4
Soleniscus typicus4 Meek and Worthen 1860 snail
Soleniscus oviformis n. sp.4 Delpey 1942 snail
Soleniscus acuminatus4 Mansuy 1914 snail
Soleniscus gubleri n. sp.4 Delpey 1942 snail
"Soleniscus melanioides" = Bulimorpha melanioides4 Mansuy 1914 snail
"Procerithiopsis ambiguus" = Procerithiopsis ambigua4 Mansuy 1914 snail
"Angkorella sisophonensis n. gen. n. sp." = Cylindritopsis sisophonensis Delpey 1941 snail
"Soleniscus welleri" = Strobeus welleri4 Knight 1931 snail
 Murchisoniina - Murchisoniidae
Murchisonia gubleri3
Murchisonia gubleri3 Delpey 1941 snail
 Caenogastropoda - Coelostylinidae
"Spirochrysalis" cambodgensis4, ? Protostylus sp.1
 Cerithioidea - Potamididae
"Potamides" sisophonensis n. sp.4
"Potamides" sisophonensis n. sp.4 Delpey 1942 horn snail
 Caenogastropoda - Goniasmatidae
Platyzona eulkaiensis2
Platyzona eulkaiensis2 Reed 1927 snail
 Caenogastropoda - Meekospiridae
""Pseudomelania" gracilis" = Ceraunocochlis gracilis4, "Subulites mansuyi" = Meekospira mansuyi4, Cambodgia sinistrorsa4, "Oonia mediocris n. sp." = Girtyspira mediocris4, "Oonia lineata" = Girtyspira lineata4
""Pseudomelania" gracilis" = Ceraunocochlis gracilis4 Mansuy 1914 snail
"Subulites mansuyi" = Meekospira mansuyi4 Delpey 1941 snail
Cambodgia sinistrorsa4 Mansuy 1914 snail
"Oonia mediocris n. sp." = Girtyspira mediocris4 Delpey 1942 snail
"Oonia lineata" = Girtyspira lineata4 Delpey 1941 snail
 Cerithimorpha - Orthonemidae
Palaeostylus dussaulti4, Palaeostylus delpeyae1, Palaeostylus bipartitus n. sp.4
Palaeostylus dussaulti4 Mansuy 1914 snail
Palaeostylus delpeyae1 Batten 1985 snail
Palaeostylus bipartitus n. sp.4 Delpey 1942 snail
 Heterostropha - Nerinellidae
"Nerinella" senior n. sp.4
"Nerinella" senior n. sp.4 Delpey 1942 snail
 Bellerophontida - Bellerophontidae
"Bellerophon jonesi" = Waagenella jonesianus3, "Bellerophon planoconvexus" = Mogulia planoconvexus3, Ptychobellerophon gubleri3, "Bellerophon lyelli" = Retispira lyelli3
"Bellerophon jonesi" = Waagenella jonesianus3 de Koninck 1863 snail
"Bellerophon planoconvexus" = Mogulia planoconvexus3 Mansuy 1912 snail
Ptychobellerophon gubleri3 Delpey 1941 snail
"Bellerophon lyelli" = Retispira lyelli3 Gemmellaro 1889 snail
Strophomenata
 Productida - Linoproductidae
Megousia sp.5
Megousia sp.5 Muir-Wood and Cooper 1960
 Productida - Monticuliferidae
"Compressoproductus djulfensis" = Sarytchevinella djulfensis5
"Compressoproductus djulfensis" = Sarytchevinella djulfensis5 Stoyanow 1910
 Productida - Productellidae
Chonetella nasuta5
Chonetella nasuta5 Waagen 1884
 Productida -
Choanoproductus gubleri5
Choanoproductus gubleri5 Termier and Termier 1970
1Batten 1985; 2Batten 1972; 3Delpey 1941; 4Delpey 1942; 5Termier and Termier 1970