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By oilshale
Eel
Kingdom: Animalia
Eon: Phanerozoic
Era: Cenozoic
Period: Paleogene
Sub Period: None
Epoch: Eocene
International Age: Lutetian
Monte Bolca Formation
Acquired by: Purchase/Trade
Length: 20 cm
Monte Bolca Quarry
Bolca (Village)
Veneto (Province)
Italy
Taxonomy according Fossilworks.org.
Diagnosis according to Blot 1978, p. 146: "Tête contenue un peu moins de six fois dans la longueur totale. Hauteur du corps contenue de quinze à dix-neuf fois dans la même longueur.
Les deux branches de cleithra de longueurs équivalentes. Côtes ventrales présentes. Osselets intermusculaires bien développés. Caudale constituée par neuf rayons s'articulant sur les hypuraux.
Coefficient de concentration de la nageoire dorsale: 2,50, celui de l'anale étant aux environs de 2,85."
This translates: “Head contained a little less than six times in the total length. Height of the body contained from fifteen to nineteen times in the same length.
Both cleithra branches of equivalent lengths. Ventral ribs present. Intermuscular bones well developed. Caudal constituted by nine rays articulating on the hypurals.
Coefficient of concentration of the dorsal fin: 2.50, that of the anal being around 2.85.”
Line drawing of Bolcyrus formosissimus from Blot 1978, p. 149.
Identified by oilshale using Blot 1978.
References:
Blot, J. (1976) Les anguilliformes fossiles du Monte Bolca. 2e Congres Europeen des Ichtyologistes Europeens, Paris, 1976, Revue Trav. Inst. Pech. Marit., Nantes, 40 (3&4) 509-511, 1 tabl.
Blot, J. (1978): Les apodes fossiles du Monte Bolca. Studi e Ricerche sui Giacimenti Terziari di Bolca 3:(1): 1-260, 120 fig, 21 tabl. 39pl.
Blot, J. (1984): Les Apodes fossiles du Monte Bolca. 2. Actinopterygii : Ordre des Apodes (Anguilliformes): Famille des Paranguillidae Blot 1980. Museo civico di storia naturale di Verona, 1984, p. 62-238, 24 p. di tav.
G. Carnevale, A. F. Bannikov, G. Marramá, J. C. Tyler, and R. Zorzin (2014): The Pesciara-Monte Postale Fossil-Lagerstätte: 2. Fishes and other vertebrates. Rendiconti della Società Paleontologica Italiana 4:37-63.
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