Extropharciceras Bockwinkel, Becker & Ebbighausen, 2009

Korn, Dieter & Bockwinkel, Jürgen, 2021, The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea), European Journal of Taxonomy 771, pp. 1-79 : 38-39

publication ID

https://doi.org/ 10.5852/ejt.2021.771.1503

publication LSID

lsid:zoobank.org:pub:9FAB6919-E4AC-44A6-89AB-2E236F55FDB5

DOI

https://doi.org/10.5281/zenodo.5536123

persistent identifier

https://treatment.plazi.org/id/03BAFC02-FFD7-FFC1-21A4-FB049EBADE7F

treatment provided by

Felipe

scientific name

Extropharciceras Bockwinkel, Becker & Ebbighausen, 2009
status

 

Genus Extropharciceras Bockwinkel, Becker & Ebbighausen, 2009 View in CoL

Type species

Extropharciceras conex Bockwinkel, Becker & Ebbighausen, 2009 View in CoL (original designation).

Diagnosis

Pharciceratinae with discoidal to pachyconic, subevolute to evolute juvenile stage, whorl profile depressed. Adult stage subinvolute to subevolute with weakly depressed to weakly compressed whorl profile; venter rounded or tabulate. WER low or moderate. Juvenile stage sometimes finely ribbed, adult stage with weak to strong, single or paired ventrolateral grooves. Suture line with very wide external lobe, deep or shortened median E 1 lobe, moderately high median saddle, deep, tongue-shaped E 2 lobe, large, midflank lateral lobe, two or three outer and three inner umbilical lobes. Suture line formula (E 2 E 1 E 2) L U 2 U 4: U 5 U 3 U 1 I to (E 2 E 1 E 2) L U 2 U 4 U 6: U 5 U 3 U 1 I.

Included species

Extropharciceras conex Bockwinkel, Becker & Ebbighausen, 2009 , Anti-Atlas; Pharciceras arenicum Petter, 1959 , Ougarta, Algeria; Ammonites Becheri von Buch, 1832 , Rhenish Mountains; Pharciceras arenicum var. carinata Petter, 1959 , Ougarta, Algeria; Extropharciceras librum Bockwinkel, Becker & Ebbighausen, 2009 , Anti-Atlas; Extropharciceras gentile Bockwinkel, Becker & Ebbighausen, 2015 , Anti-Atlas; Extropharciceras serum Bockwinkel, Becker & Ebbighausen, 2015 , Anti-Atlas; Extropharciceras worki Bockwinkel, Becker & Aboussalam, 2017 , Anti-Atlas; Extropharciceras metallicum sp. nov., Rhenish Mountains.

Kingdom

Animalia

Phylum

Mollusca

Class

Cephalopoda

SubClass

Ammonoidea

Order

Ammonoidea

SubOrder

Pharciceratina

Family

Pharciceratidae

SubFamily

Pharciceratinae

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