Ifasya straeleni Garassino & Teruzzi 1995

By oilshale

• February 28, 2022

Taxonomy

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

Stratigraphy

Sakamena Group
Middle Sakamena Formation

Provenance

Acquired by: Purchase/Trade

Dimensions

Length: 3.5 cm

Location

Ambilobe
Diana Region
Antsiranana Province
Madagascar

• ifasya
• triassic
• sakamena
• ambilobe
• madagascar
• dienerian
• tff-oilshale-ar2622

Comments

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:

References:

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.