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

Cucullaea (Idonearca)

Bivalvia - Arcida - Cucullaeidae

Taxonomy
Idonearca was named by Conrad (1862) [m. kosnik taxon no: 4032]. Its type is Cucullaea (Idonearca) tippana.

It was reranked as Cucullaea (Idonearca) by Anderson (1958), Tashiro and Kozai (1982), Tashiro (1988), El Qot (2006), Ros-Franch et al. (2014), Mendir et al. (2021).

It was assigned to Parallelodontidae by Stoyanow (1949); to Cucullaeidae by Vokes (1980); to Idonearcidae by Bouchet et al. (2010); and to Cucullaea by Anderson (1958), Tashiro and Kozai (1982), Tashiro (1988), El Qot (2006), Ros-Franch et al. (2014), Mendir et al. (2021).

Subtaxa
Cucullaea (Idonearca) alamoensis, Cucullaea (Idonearca) buttensis, Cucullaea (Idonearca) calabaza, Cucullaea (Idonearca) diceras, Cucullaea (Idonearca) ezoensis, Cucullaea (Idonearca) gravida (syn. Arca decurtata), Cucullaea (Idonearca) grossaforma, Cucullaea (Idonearca) maresi, Cucullaea (Idonearca) melhaseana, Cucullaea (Idonearca) muensteri, Cucullaea (Idonearca) thevestensis, Cucullaea (Idonearca) tippana (type species), Cucullaea (Idonearca) trigona, Cucullaea (Idonearca) youngi, Idonearca alabamensis, Idonearca capax, Idonearca carolinensis, Idonearca deserti, Idonearca littlei, Idonearca orientalis, Idonearca stephensoni
Species lacking formal opinion data
Arca gabrielis, Cucullaea aalensis, Cucullaea acuticarinata, Cucullaea acuticarinata, Cucullaea aequata, Cucullaea amaxensis, Cucullaea amaxensis, Cucullaea andersoni, Cucullaea antroea, Cucullaea antrosa, Cucullaea arctica, Cucullaea ardassiensis, Cucullaea argentina, Cucullaea australis, Cucullaea austriaca, Cucullaea beringensis, Cucullaea blanpiedi, Cucullaea cancellata, Cucullaea capex, Cucullaea ceres, Cucullaea clathrata, Cucullaea compressirostra, Cucullaea concamera, Cucullaea contracta, Cucullaea cornueliana, Cucullaea cornuetiana, Cucullaea coxi, Cucullaea crassatesta, Cucullaea crassitesta, Cucullaea deatvillensis, Cucullaea deatvillensis, Cucullaea decussata, Cucullaea delicatostriata, Cucullaea depressa, Cucullaea dewalquei, Cucullaea donaldi, Cucullaea egertonianus, Cucullaea ezoensis, Cucullaea ezoensis, Cucullaea farrei, Cucullaea favrei, Cucullaea fibrosa, Cucullaea fittoni, Cucullaea fuegunensis, Cucullaea fujii, Cucullaea gabrielis, Cucullaea grahamensis, Cucullaea gratiota, Cucullaea gresslyi, Cucullaea hamptoni, Cucullaea herculea, Cucullaea inaequivalvis, Cucullaea irritans, Cucullaea jaworskii, Cucullaea jaworskii, Cucullaea kaufmanensis, Cucullaea kingsensis, Cucullaea kipandeensis, Cucullaea kraussi, Cucullaea leopoliensis, Cucullaea leopoliensis, Cucullaea mabuchii, Cucullaea macrodonta, Cucullaea mailleana, Cucullaea martini, Cucullaea matheroniana, Cucullaea matheroniana, Cucullaea mendozana, Cucullaea minchiahamplonensis, Cucullaea montensis, Cucullaea munsteri, Cucullaea murrayi, Cucullaea nana, Cucullaea neglecta, Cucullaea obliquata, Cucullaea oblonga, Cucullaea oblonga, Cucullaea orientalis, Cucullaea ornata, Cucullaea pectunculina, Cucullaea plana, Cucullaea powersi, Cucullaea powersi, Cucullaea praelonga, Cucullaea raea, Cucullaea recedens, Cucullaea reesideana, Cucullaea reticulata, Cucullaea rocana, Cucullaea roederi, Cucullaea rothi, Cucullaea rothi, Cucullaea royana, Cucullaea royei, Cucullaea royeri, Cucullaea saffordi, Cucullaea sheikhfadli, Cucullaea similis, Cucullaea singularia, Cucullaea szaboi, Cucullaea texana, Cucullaea texta, Cucullaea texta, Cucullaea thevestenis, Cucullaea transversa, Cucullaea volgensis, Cucullaea wadei, Cucullaea wagadensis, Cucullaea waihaoensis, Cucullaea waihaoensis, Cucullaea woodsi, Idonearca aequilateralis, Idonearca contracta, Idonearca depressa, Idonearca glabra, Idonearca haguei, Idonearca mailleana, Idonearca matheroni, Idonearca minchinhamptonensis, Idonearca rockymontana, Idonearca truncata

Synonymy list
YearName and author
1862Idonearca Conrad
1949Idonearca Stoyanow p. 63
1958Cucullaea (Idonearca) Anderson p. 87
1980Idonearca Vokes p. 17
1982Cucullaea (Idonearca) Tashiro and Kozai p. 71
1988Cucullaea (Idonearca) Tashiro p. 286
2006Cucullaea (Idonearca) El Qot p. 24
2010Idonearca Bouchet et al.
2014Cucullaea (Idonearca) Ros-Franch et al.
2021Cucullaea (Idonearca) Mendir et al. p. 4

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
—OstreomorphiFerussac 1822
—ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyCucullaeidaeStewart 1930
genusCucullaeaLamarck 1801
subgenusIdonearca(Conrad 1862)

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.

Subg. †Cucullaea (Idonearca) Conrad 1862
show all | hide all
†Cucullaea (Idonearca) ezoensis Yabe and Nagao 1928
hide
Invalid names: Arca decurtata Gabb 1864 [synonym]
†Idonearca alabamensis Gabb 1876
†Idonearca capax Conrad 1858
†Idonearca deserti Douvillé 1916
†Idonearca littlei Gabb 1876
†Idonearca orientalis Douvillé 1916
†Idonearca stephensoni Stoyanow 1949
Diagnosis
No diagnoses are available
Measurements
partNmean
height118.0
valve height122.4

Composition: aragoniteo
Locomotion: facultatively mobileg
Life habit: infaunalg
Diet: suspension feederg
Vision: limitedf
Created: 2004-02-29 15:53:52
Modified: 2004-02-29 17:53:52
Source: g = genus, f = family, o = order
Reference: Aberhan et al. 2004

Age range: base of the Hettangian to the top of the Early/Lower Maastrichtian or 201.40000 to 66.00000 Ma

Collections (399 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Hettangian201.4 - 199.5Japan (Miyagi) Cucullaea mabuchii (40541)
Pliensbachian192.9 - 184.2Argentina (Neuquen) Cucullaea rothi (33902)
Pliensbachian192.9 - 184.2Portugal (Coimbra) Cucullaea muensteri (225384 225385 225386)
Early/Lower Toarcian184.2 - 182.9Spain (Teruel) Cucullaea muensteri (211198 211199 211200 211201 211202)
Early/Lower Toarcian184.2 - 182.9Spain Cucullaea muensteri (25621 25661 25664 25665 25666 25667 25668 25670 25671 25672 25673 25674 25675 25938 26137 26141 26149 26321 26322 26323)
Early/Lower Toarcian184.2 - 182.9Portugal (Coimbra) Cucullaea muensteri (225388)
Early/Lower Toarcian - Middle Toarcian184.2 - 180.4Spain Cucullaea aalensis (51613) Cucullaea muensteri (25773)
Toarcian184.2 - 174.7Argentina (Neuquen) Cucullaea rothi (33827)
Middle Toarcian182.9 - 180.4Chile Cucullaea rothi (35447)
Late/Upper Toarcian180.4 - 174.7Chile Cucullaea rothi (33877 35449 35453)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Maastrichtian72.2 - 66.0USA (Maryland) Cucullaea capax (1312)
Maastrichtian72.2 - 66.0USA (Missouri) Cucullaea capax (1295)
Maastrichtian72.2 - 66.0USA (South Carolina) Cucullaea capax (1310)
Maastrichtian72.2 - 66.0USA (New Jersey) Cucullaea capax (1313)
Maastrichtian72.2 - 66.0USA (Arkansas) Cucullaea capax (1302 4391)
Maastrichtian72.2 - 66.0USA (Mississippi) Cucullaea capax (1303 1304 1305 1391 7606 7607)
Maastrichtian72.2 - 66.0USA (North Carolina) Cucullaea capax (1311)
Maastrichtian72.2 - 66.0USA (California) Idonearca n. sp. A (176785 185453 185456 185457 185464 185468 185491 185627 185631 185635 185703) Idonearca n. sp. B (185507 185509)
Maastrichtian72.2 - 66.0USA (Texas) Cucullaea capax (1296 1298 1299 1300 1393 1395)
Maastrichtian72.2 - 66.0USA (Alabama) Cucullaea capax (1306 1307 1308)