PBDB Taxon

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

Scaphander alaskensis

Gastropoda - Opisthobranchiata - Cylichnidae

Taxonomy

Scaphander alaskensis was named by Clark (1932). It is extant. Its type specimen is UCMP 12382. Its type locality is UCMP 3854 Big River, which is in a Chattian marine horizon in the Poul Creek Formation of Alaska.

Sister species lacking formal opinion data

S. alabamensis, S. altavillensis, S. ballista, S. ballistus, S. brongniarti, S. cosmophillus, S. cosmophilus, S. edwardsii, S. fortisi, S. fortisii, S. grateloupi, S. hilgardi, S. ickei, S. impuctatus, S. impuncatatus, S. komitica, S. langdoni, S. lignarius, S. lignarus, S. ligniticus, S. panaulax, S. paraensis, S. parisiensis, S. potomacensis, S. primus, S. rhenanus, S. richardsi, S. tarbelliana, S. watsoni, S. antarctidis, S. duseni, S. schmidti, S. schmitti, S. cryus, S. cyrus, S. grateloupi, S. lignarius

Synonymy list

Year	Name and author
1932	Scaphander alaskensis Clark p. 832 figs. Pl. 21, fig. 6-7

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Gastropoda
order	Opisthobranchiata	(Milne-Edwards 1848)
order	Cephalaspidea	Fischer 1883
superfamily	Philinoidea	Gray 1850
family	Cylichnidae	Adams 1850
genus	Scaphander	Monfort 1810
species	alaskensis

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.

Scaphander alaskensis Clark 1932

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobilef

Life habit:

epifaunalf

Diet:

carnivoref

Vision:

limitedc

Created:

2009-09-10 07:31:23

Modified:

2009-09-10 09:31:23

Source: f = family, c = class

References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Ypresian to the top of the Chattian or 56.00000 to 23.04000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Ypresian	56.0 - 48.07	Russian Federation (Kamchatka)	Scaphander alaskensis (202263)
Lutetian - Bartonian	48.07 - 37.71	Russian Federation (Kamchatka)	Scaphander alaskensis (7275)
Bartonian	41.03 - 37.71	Russian Federation (Kamchatka)	Scaphander alaskensis (5946 8049)
Chattian	27.3 - 23.04	USA (Alaska)	Scaphander alaskensis (type locality: 195953 195957)