PBDB Taxon

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

Cucullaea (Idonearca) youngi

Bivalvia - Arcida - Cucullaeidae

Taxonomy

Cucullaea youngi was named by Waring (1917). It is a 3D body fossil. Its type locality is Chico area in Bell's Canyon north of Simi fault (Locality 2 of Waring 1917), which is in a Campanian marine mudstone in the Chatsworth Formation of California.

It was recombined as Cucullaea (Idonearca) youngi by Anderson (1958).

Sister species lacking formal opinion data

Arca gabrielis, C. acuticarinata, C. australis, C. ceres, C. clathrata, C. contracta, C. egertonianus, C. favrei, C. gabrielis, C. jaworskii, C. kipandeensis, C. mailleana, C. matheroniana, C. minchiahamplonensis, C. ornata, C. rothi, C. royei, C. sheikhfadli, C. texta, C. vulgaris, C. wadei, C. waihaoensis, C. woodsi, C. coxi, C. fuegunensis, C. aalensis, C. powersi, C. rothi, C. waihaoensis, Idonearca aequilateralis, Idonearca glabra, Idonearca matheroni

Synonymy list

Year	Name and author
1917	Cucullaea youngi Waring p. 59 figs. Pl. 8, Fig. 12
1958	Cucullaea (Idonearca) youngi Anderson pp. 90 - 91 figs. Plate 61, figure 4

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Arcioni	Gray 1854
order	Arcida	(Stoliczka 1871)
superfamily	Arcoidea	(Lamarck 1809)
family	Cucullaeidae	Stewart 1930
genus	Cucullaea	Lamarck 1801
subgenus	Idonearca	(Conrad 1862)
species	youngi	()

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.

†Cucullaea (Idonearca) youngi Waring 1917

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

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: Early/Lower Campanian or 83.50000 to 70.60000 Ma

Collections (26 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Campanian	83.5 - 70.6	USA (California)	Cucullaea youngi (3885 44277 185171 220366 220920 220929)
Late/Upper Campanian	83.5 - 70.6	USA (California)	Cucullaea youngi (72057 185168 219077 220906)
Middle Campanian	83.5 - 70.6	USA (California)	Cucullaea youngi (185178 type locality: 193033 219078 219079 220908 220910 220911 220912 220915 220916 220921 220924 220926 221105 221106 221107)