PBDB Taxon

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

Aulacosphinctes proximus

Cephalopoda - Ammonitida - Himalayitidae

Taxonomy

Reineckeia proxima was named by Steuer (1897).

It was recombined as Aulacosphinctes proximus by Salazar and Stinnesbeck (2016).

Sister species lacking formal opinion data

A. humilis, A. latouchi, A. moerickeanus, A. parvulus, A. rectefurcatus, A. retrorsus, A. subvetustus

Synonyms

Aulacosphinctes chilensis was named by Corvalán (1959).

It was synonymized subjectively with Aulacosphinctes proximus by Salazar and Stinnesbeck (2016).

Synonymy list

Year	Name and author
1897	Reineckeia proxima Steuer
1959	Aulacosphinctes chilensis Corvalán
2016	Aulacosphinctes proximus Salazar and Stinnesbeck p. 164 fig. 13

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797

Rank	Name	Author
subclass	Ammonoidea	()
order	Ammonitida
suborder	Ammonitina	Hyatt 1889
superfamily	Perisphinctoidea	(Steinman 1890)
family	Himalayitidae	Spath 1925
genus	Aulacosphinctes
species	proximus	(Steuer 1897)

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.

†Aulacosphinctes proximus Steuer 1897

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Invalid names: Aulacosphinctes chilensis Corvalán 1959 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	4	15.0	9.90	23.7	14.8	5.93
shell diameter	4	39.9	23.6	62.9	42.4	17.9
shell inflation	4	14.7	7.60	28.0	15.6	9.22

Composition:

aragoniteo

Environment:

marinec

Locomotion:

fast-movingo

Life habit:

nektonico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:27:03

Modified:

2009-10-08 14:14:55

Source: o = order, c = class

References: Kiessling 2004, Kiessling 2003

Age range: Late/Upper Tithonian or 150.80000 to 145.00000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Tithonian	150.8 - 145.0	Chile	Aulacosphinctes proximus (90555)
Middle Tithonian	150.8 - 145.0	Chile	Aulacosphinctes proximus (175925 175934)
Middle Tithonian - Late/Upper Tithonian	150.8 - 145.0	Chile	Aulacosphinctes proximus (175930)
Late/Upper Tithonian - Early/Lower Berriasian	150.8 - 140.2	Chile	Aulacosphinctes proximus (151657 151658)