PBDB Taxon

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

Sidetes (Ammonoid aptychus)

Cephalopoda

Discussion

Aptychus

Taxonomy

Sidetes was named by Giebel (1847). It is not extant. It is considered to be a form taxon.

It was assigned to Ammonoidea by Arkell et al. (1957).

Synonyms

Anaptychus was named by Schlumberger (1868). It is not extant. It is considered to be a form taxon.

It was synonymized subjectively with Sidetes by Arkell et al. (1957).
Spathiocaris was named by Clarke (1882).

It was synonymized subjectively with Sidetes by Goolaerts et al. (2017).
Pholadocaris was named by Woodward (1882).

It was synonymized subjectively with Sidetes by Goolaerts et al. (2017).
Lisgocaris was named by Clarke (1882).

It was synonymized subjectively with Sidetes by Goolaerts et al. (2017).
Idiotheca was named by Girty (1909).

It was synonymized subjectively with Sidetes by Goolaerts et al. (2017).
Palanaptychus was named by Trauth (1927).

It was synonymized subjectively with Sidetes by Goolaerts et al. (2017).
Neoanaptychus was named by Nagao (1931).

It was synonymized subjectively with Sidetes by Goolaerts et al. (2017).

Synonymy list

Year	Name and author
1847	Sidetes Giebel p. 821
1868	Anaptychus Schlumberger p. 97
1882	Lisgocaris Clarke
1882	Spathiocaris Clarke p. 55
1882	Pholadocaris Woodward
1909	Idiotheca Girty
1927	Palanaptychus Trauth
1931	Neoanaptychus Nagao
1957	Sidetes Arkell et al. p. L467

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia

Rank	Name	Author
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea	()
genus	Sidetes	Giebel 1847

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.

G. †Sidetes Giebel 1847 [Ammonoid aptychus]

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Invalid names: Anaptychus Schlumberger 1868 [synonym], Idiotheca Girty 1909 [synonym], Lisgocaris Clarke 1882 [synonym], Neoanaptychus Nagao 1931 [synonym], Palanaptychus Trauth 1927 [synonym], Pholadocaris Woodward 1882 [synonym], Spathiocaris Clarke 1882 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

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 2003, Kiessling 2004

Age range: base of the Frasnian to the top of the Kinderhookian or 382.31000 to 351.90000 Ma

Collections (5 total)

Time interval	Ma	Country or state	Original ID and collection number
Frasnian	382.31 - 372.15	USA (Ohio)	Anaptychus emersoni (74950 74951)
Late/Upper Devonian	382.31 - 358.86	USA (New York)	Spathiocaris emersoni (226072)
Kinderhookian	358.86 - 351.9	USA (Indiana)	Sidetes sp. (6730) Spathiocaris sp. (6942)