Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Chonelasmatinae

Hexactinellida - Hexactinosa - Euretidae

Synonymy list
YearName and author
1912Chonelasmatinae Schrammen
2004Chonelasmatinae Finks et al.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classHexactinellidaSchmidt 1870
subclassHexasterophoraSchulze 1886
RankNameAuthor
orderHexactinosaSchrammen 1903
familyEuretidaeZittel 1877
subfamilyChonelasmatinaeSchrammen 1912
subfamilyChonelasmatinaeSchrammen 1912

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.

Subfm. Chonelasmatinae Schrammen 1912
show all | hide all
G. †Balantionella Schrammen 1902
hide
†Balantionella elegans Schrammen 1902
G. Chonelasma Schulze 1886
G. †Eubrochis Schrammen 1902
hide
†Eubrochis senonica Schrammen 1902
Invalid names: Callibrochis Schrammen 1912 [objective synonym], Oxyrhizium Schrammen 1912 [synonym]
G. †Habrosium Schrammen 1912
hide
†Habrosium convolutum Schrammen 1912
G. †Megalodictyon Oppliger 1926
hide
†Megalodictyon fretreulensis Oppliger 1926
G. †Ptychorete Reid 1964
hide
†Ptychorete ijimai Reid 1964
G. Tretochone Reid 1959
G. †Typhlopleura Schrammen 1902
hide
†Typhlopleura dichotoma Schrammen 1902
G. †Wollemannia Schrammen 1912
hide
†Wollemannia araneosa Schrammen 1912
†Wollemannia cribrosa Reid 1964
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicac
Environment: marinec
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-05-08 18:50:16
Modified: 2009-05-08 20:50:16
Source: o = order, c = class
References: Bambach et al. 2007, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Middle Oxfordian to the top of the Waipawan or 161.20000 to 53.00000 Ma
Minimum age of oldest fossil (stem group age): 155.7 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Middle Oxfordian - Late/Upper Oxfordian161.2 - 155.7Germany Megalodictyon fretreulensis (74033 74036)
Coniacian - Santonian89.8 - 83.6United Kingdom (Northern Ireland) Ptychorete ijimai (112694) Wollemannia laevis, Oxyrhizium eximium (113139)
Santonian86.3 - 83.6Poland Wollemannia araneosa (112490)
Campanian83.6 - 72.1United Kingdom (Northern Ireland) Wollemannia laevis (113140)
Campanian83.6 - 72.1United Kingdom (North Yorkshire) Wollemannia laevis (113105)
Campanian83.6 - 72.1United Kingdom (England) Wollemannia laevis (113111)
Campanian83.6 - 72.1Germany (Niedersachsen) Callibrochis senonensis, Wollemannia araneosa, Habrosium convolutum, Oxyrhizium eximium, Balantionella elegans (110530)
Early/Lower Campanian83.5 - 70.6Germany (Sachsen-Anhalt) Wollemannia araneosa (112628)
Early/Lower Campanian - Middle Campanian83.5 - 70.6Germany Balantionella elegans (64187)
Late/Upper Campanian83.5 - 70.6United Kingdom (Ireland) Wollemannia araneosa (197336 197342) Wollemannia sp., Wollemannia araneosa (197341)
Late/Upper Campanian83.5 - 70.6Germany (Niedersachsen) Pleurostoma dichotoma (31993)
Maastrichtian72.1 - 66.0United Kingdom (Norfolk) Wollemannia cribrosa (112697)
Teurian - Waipawan66.0 - 53.0New Zealand Chonelasma lamella (110069)