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Perisphinctes (Dichotomosphinctes) lehmani

Cephalopoda - Ammonitida - Perisphinctidae

Taxonomy
Orionoides lehmani was named by Collignon (1959). Its type specimen is UBGD.010277 and is a 3D body fossil. Its type locality is Ravin Andangovato I, which is in an Oxfordian marine marl in Madagascar.

It was recombined as Perisphinctes (Dichotomosphinctes) lehmani by Pandey et al. (2012).

Sister species lacking formal opinion data
Dichotomosphinctes bifurcatoides, Dichotomosphinctes decaryi, Dichotomosphinctes elizabethae, Dichotomosphinctes falculae, Dichotomosphinctes martini, Dichotomosphinctes rotoides, Dichotomosphinctes roubyanus, Dichotomosphinctes sikilyensis, Dichotomosphinctes subrota, Dichotomosphinctes wartae, Dichotomosphinctes jacobi, P. acer, P. africanus, P. albertinus, P. andelotensis, P. andium, P. breviceps, P. colubrinus, P. contiguus, P. dorae, P. effrenatus, P. ernesti, P. gottschei, P. indogermanicus, P. koeneni, P. mairei-matheyi, P. malinowskae, P. orientalis, P. panderi, P. planula, P. polygyratus, P. praestenocyclus, P. progeron, P. quadratus, P. scythicus, P. siemiradzkii, P. siliceus, P. sutneri, P. torquatus, P. transatlanticus, P. trichoplocus, P. vandellii, P. alligatus, P. latilinguatus, P. eucostatus, P. quadratus, P. cotovui, P. helenae, P. maximus, P. pickeringius, P. borealis, P. multicostatus, P. dichotomus, P. duongi, P. arkelli, P. buckmani, P. buckmanni, P. dobrogensis, P. elizabethae, P. episcopalis, P. laisinensis, P. luciae, P. luciaeformis, P. lucieformis, P. marnesiae, P. ouatius, P. rotoides, P. trichoplocus, P. wartaeformis, P. chirchonensis, P. balderus, P. crassissimus, P. cyrilli, P. kranaus, P. prosmiscuus, P. sayni, P. A, P. B, P. laevipickeringius, P. anguinus, P. monteiroi, P. spathi, P. aguilonensis, P. anguiculus, P. arkelli, P. crotalinus, P. nectobrigensis, P. patturatensis, P. paturratensis, P. pulvinus, P. siemirazkii, P. roedereri, P. alatus, P. andelotensis, P. boweni, P. cautisnigrae, P. cuneicostatus, P. densecostatus, P. panthieri, P. pumilus, P. strumatus, P. uptonensis, P. perplanatus, P. kreutzi, P. dorsoplanus, P. dacquei, P. polygyratus

Synonymy list
YearName and author
1959Orionoides lehmani Collignon pp. 59, 60 figs. 276, 277
2012Perisphinctes (Dichotomosphinctes) lehmani Pandey et al. p. 516

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassAmmonoidea()
RankNameAuthor
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPerisphinctidaeSteinmann 1890
subfamilyPerisphinctinaeSteinmann 1890
genusPerisphinctes()
subgenusDichotomosphinctes
specieslehmani(Collignon 1959)

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.

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Diagnosis
ReferenceDiagnosis
D.K. Pandey et al. 2012 Shell small, incomplete, evolute, depressed. Whorl section rounded with uniformly arched lanks and venter (Fig. 47A). Ornamentation consists of thick, prorsiradiate primary ribs branching into two or three iner secondaries at the ventrolateral region (Fig. 47B), which cross the venter either straight or with very faint backward-directed convexity. Constrictions deep, forwardly inclined.
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: Late/Upper Oxfordian or 157.90000 to 154.80000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Oxfordian157.9 - 154.8Madagascar (Atsimo-Andrefana) Orionoides lehmani (234237 234238)