Now I'm working on catfish remains from the late Miocene and Pliocene strata of Ukraine. Most of them belongs to the genus Silurus. However, in some cases I can not distinguish it at the species level. Some of the bones are quite similar in morphology to those in Silurus soldatovi Nikolsky et Soin, 1948, other are partly comparable with Silurus altus (Sytchevskaya, 1989). Please, let me know, which bones and which their morphological features can be used for the species differentiation of these remains? I am open for cooperation and will be thankful for any information and advice!
Dear Olexander
you may see the Bornbush (2008) in link below:
http://onlinelibrary.wiley.com/doi/10.1111/j.1096-3642.1995.tb02322.x/abstract
and
http://fishbase.org/physiology/MorphDataSummary.php?genusname=Silurus&speciesname=soldatovi&autoctr=9259
eventually I think the link below is very useful for you
http://www.wdc-jp.biz/pdf_store/isj/publication/pdf/36/362/36201-2.pdf
Regards
Massih
You may wish to consult the following papers on the taxonomy of recent species of Silurus, which also discuss the major skeleton elements and their taxonomic significance:
Kobayakawa, M. 1989. Systematic revision of the catfish genus Silurus, with description of a new species from Thailand and Burma. Japanese Journal of Ichthyology v. 36 (no. 2): 155-186.
Kobayakawa, M. 1992. Comparative morphology and development of bony elements in the head region in three species of Japanese catfishes (Silurus: Siluridae; Siluriformes). Japanese Journal of Ichthyology v. 39 (no. 1): 25-36.
You may consult this papers too:
Comparison of morphological and anatomical characters in two catfish species, Silurus triostegus Heckel, 1843 and Silurus glanis L., 1758 (Siluridae, Siluriformes)
E Ünlü, D Değer, T Cicek - North-Western Journal of Zoology, 2012
and
Diogo, R., Oliveira, C., & Chardon, M. (2001). On the osteology and myology of catfish pectoral girdle, with a reflection on catfish (Teleostei: Siluriformes) plesiomorphies. Journal of Morphology, 249(2), 100–25
Dear colleagues! Many thanks to you for your helpful suggestions!
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