PCI Paleontology

323

Title *

New generic name for a small Triassic ray-finned fish from Perledo (Italy)use asterix (*) to get italics

Authors *

Adriana López-Arbarello, Rainer BrockePlease use the format "First name initials family name" as in "Marie S. Curie, Niels H. D. Bohr, Albert Einstein, John R. R. Tolkien, Donna T. Strickland"

Year *

2024

Picture *

Abstract *

Our new study of the species originally included in the genus Allolepidotus led to the taxonomic revision of the halecomorph species from the Triassic of Perledo, Italy. The morphological variation revealed by the analysis of the type material is sufficient to confirm four different taxa represented in the Perledo Formation. We correct the misunderstanding about the type species of Allolepidotus, which is A. ruppelii and not “A.” bellottii as considered in the literature over the past two decades. The latter species was originally placed in the genus Semionotus. Fossil material from the Kalkschieferzone of Besnasca/Ca' del Frate (Viggiù-Varese, Italy) and Meride (Ticino, Switzerland) which were referred to Allolepidotus, rather represent a species of Eoeugnathus. Therefore, we transfer the species Semionotus bellottii to that genus and propose the new combination E. bellottii. The second and only other species originally included in the genus Allolepidotus is transferred here to the new genus XXXX. The holotype of X. nothosomoides new comb. has been mechanically prepared, revealing additional anatomical information that allows to place this taxon in the halecomorph family Subortichthyidae. The other halecomorph species named from the Perledo Formation, Pholidophorus oblongus and Pholidophorus curionii, have been treated as junior synonyms of E. bellottii, but our analysis indicates that they represent distinct separate taxa. However, due to the loss of the type specimens, it is not possible to decide whether they might have been conspecific with other ray-finned fishes from the Middle Triassic of the Alps.

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Keywords (optional)

Middle Triassic, Perledo, ray-finned fish, taxonomy, Actinopterygii, Neopterygii, Halecomorphi, Subortichthyidae.

Methods that require specific expertise (optional)

NonePlease indicate the methods that may require specialised expertise during the peer review process (use a comma to separate various required expertises).

Thematic fields *

Fossil record, Systematics, Taxonomy, Vertebrate paleontology

Suggested reviewers - Suggest up to 10 reviewers (provide names and Email addresses). (Optional)

Toni Bürgin, toni.buergin@naturmuseumsg.ch, Heinz Furrer, heinz.furrer-paleo@bluewin.ch, Guang-Hui Xu, xuguanghui@ivpp.ac.cn, Cristina Lombardo, cristina.lombardo@unimi.it, Silvio Renesto, silvio.renesto@uninsubria.it, Lionel Cavin, Lionel.Cavin@ville-ge.ch, Kathryn Mickle, Kathryn.Mickle@jefferson.edu, Sarah Z. Gibson, szgibson@stcloudstate.edu, Emilia Sferco, emiliasferco@gmail.com, Guillermina Giordano suggested: Emilia Sferco: emiliasferco@gmail.com , Guillermina Giordano suggested: Cristina Lombardo: cristina.lombardo@unimi.it, Kathryn Mickle suggested: Sarah Z. Gibson, Ph.D.; St. Cloud State University; szgibson@stcloudstate.edu

e.g. John Doe john@doe.com

No need for them to be recommenders of PCIPaleo. Please do not suggest reviewers for whom there might be a conflict of interest. Reviewers are not allowed to review preprints written by close colleagues (with whom they have published in the last four years, with whom they have received joint funding in the last four years, or with whom they are currently writing a manuscript, or submitting a grant proposal), or by family members, friends, or anyone for whom bias might affect the nature of the review - see the code of conduct

Opposed reviewers - Suggest up to 5 people not to invite as reviewers. (Optional)

Jürgen Kriwet, Gloria Arratia, Hans-Peter Schultze, Andrea Tintorie.g. John Doe john@doe.com

Submission date

2024-03-21 11:53:53

Recommender

Hugo Martín Abad

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