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Pseudhelicoceras Spath 1922 (ammonite)

Cephalopoda - Ammonitida - Turrilitidae

PaleoDB taxon number: 15501

Synonyms: Hemiturrilites Breistroffer 1953 (no. 356005), Parahelicoceras Breistroffer 1953 (no. 356006), Subhelicoceras Breistroffer 1953 (no. 356004)

Full reference: L. F. Spath. 1922. On Cretaceous Ammonoidea from Angola, collected by Professor J. W. Gregory, D.Sc., F.R.S. Transactions of the Royal Society of Edinburgh 53:91-160

Parent taxon: Turrilitidae according to A. Tajika et al. 2018

Sister taxa: Carthaginites, Hypoturrilites, Mariella, Mesoturrilites, Neostlingoceras, Notostreptites, Ostlingoceras, Pseudohelicoceras, Turrilites, Turrilitinae

Subtaxa: Pseudhelicoceras carlottense, Pseudhelicoceras gracile, Pseudhelicoceras perelegans, Pseudhelicoceras quadrituberculatum, Pseudhelicoceras robertianum

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Type: Turrilites robertianus

Ecology: fast-moving nektonic carnivore