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  • Ifasya straeleni Garassino & Teruzzi 1995




    Kingdom: Animalia
    Phylum: Arthropoda
    Class: Malacostraca Latreille 1802
    Order: Decapoda Latreille 1802
    Family: Penaeidae Rafinesque 1815
    Genus: Ifasya
    Species: Ifasya straeleni
    Author Citation Garassino & Teruzzi 1995

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Triassic
    Sub Period: None
    Epoch: Early
    International Age: Dienerian - Griesbachian


    Sakamena Group
    Middle Sakamena Formation


    Acquired by: Purchase/Trade


    Length: 3.5 cm


    Diana Region
    Antsiranana Province


    Taxonomy from Garassino & Teruzzi 1995.

    Diagnosis from Garassino & Teruzzi 1995, p. 92: "Subrectangular carapace; long rostrum, lacking both suprarostral and subrostral teeth; marked dorsal hump at the base of the rostrum; spine in the posterior third of the dorsal midline of the carapace; deep hepatic groove and weak branchiocardiac groove; gastro-orbital, hepatic and branchiocardiac spines present; pereiopods I-III chelate; strongly elongate pereiopod III; tergite VI rectangular; triangular telson with a pointed distal extremity."

    Line drawing from Garassino & Teruzzi 1995, p. 94:






    Van Straelen V. (1933) Antrimpos madagascariensis Crustace decapode du Permotrias de Madagascar. Bull. Mus. Roy. hist. Nat. Belgique, Bruxelles, IX(1).

    Garassino A. & Teruzzi G., (1995) Studies on Permo-Trias of Madagascar, 3. The decapod crustaceans of the Ambilobe region (NW Madagascar). Atti. Soc. it. Sci. nat. Museo civ. Stor. nat. Milano, Milano, 134 (1): 85-113. 


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