PBDB Taxon

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

Perisphinctes (Perisphinctes) martelli

Cephalopoda - Ammonitida - Perisphinctidae

Taxonomy

Ammonites martelli was named by Oppel (1863).

It was recombined as Perisphinctes martelli by Waagen (1875); it was recombined as Perisphinctes (Perisphinctes) martelli by Schlegelmilch (1994) and Pandey et al. (2012).

Sister species lacking formal opinion data

P. africanus, P. andium, P. mairei-matheyi, P. malinowskae, P. panderi, P. polygyratus, P. praestenocyclus, P. progeron, P. quadratus, P. scythicus, P. siemiradzkii, P. eucostatus, P. quadratus, P. pickeringius, P. buckmani, P. buckmanni, P. luciaeformis, P. crassissimus, P. A, P. B, P. anguiculus, P. patturatensis, P. siemirazkii, P. roedereri, P. alatus, P. andelotensis, P. densecostatus, P. pumilus, P. dorsoplanus, P. dacquei, P. polygyratus

Synonymy list

Year	Name and author
1863	Ammonites martelli Oppel p. 247
1875	Perisphinctes martelli Waagen p. 190
1994	Perisphinctes (Perisphinctes) martelli Schlegelmilch p. 60 figs. Pl 19, fig 2
2012	Perisphinctes (Perisphinctes) martelli Pandey et al.

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

Rank	Name	Author
order	Ammonitida
suborder	Ammonitina	Hyatt 1889
superfamily	Perisphinctoidea	(Steinman 1890)
family	Perisphinctidae	Steinmann 1890
subfamily	Perisphinctinae	Steinmann 1890
genus	Perisphinctes	()
subgenus	Perisphinctes	Waagen 1869
species	martelli	()

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.

†Perisphinctes (Perisphinctes) martelli Oppel 1863

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Diagnosis

Reference	Diagnosis
D.K. Pandey et al. 2012	Shells small to moderately large, incomplete. Whorl section depressed, subquadrate in outline (Fig. 8A). Flanks convex in inner whorls, gradually becoming slightly arched and grading into rounded venter with moderately distinct ventrolateral shoulder. Ornamentation consists of sparse, moderately coarse, sharp, prorsiradiate primary ribs, bifurcating into secondaries just below ventrolateral region, which cross the venter with slight forward-directed convexity (Fig. 8B). Primaries originate from the umbilical suture more or less rectiradially. Umbilical wall short, distinct. Up to four weak constrictions per whorls (only on the inner whorls).

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 Late/Upper Oxfordian to the top of the Middle Oxfordian or 161.20000 to 155.70000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Middle Oxfordian	161.2 - 155.7	France	Perisphinctes martelli (12291 12982)
Middle Oxfordian	161.2 - 155.7	Germany	Perisphinctes martelli (62305)
Late/Upper Oxfordian - Early/Lower Kimmeridgian	161.2 - 150.8	India (Gujarat)	Perisphinctes martelli (234316)