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Tuberosciponoceras: a new dimorphic ammonoid genus from the Upper Albian of Patagonia, Argentina

✍ Scribed by Francisco A. Medina; Alberto C. Riccardi


Publisher
Springer-Verlag
Year
2007
Tongue
German
Weight
1014 KB
Volume
81
Category
Article
ISSN
0031-0220

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Myoretronectes paranaensisn. gen. et sp.
✍ C. Noreña-Janssen; A. Faubel 📂 Article 📅 1996 🏛 Springer 🌐 English ⚖ 488 KB

Myoretronectes paranaensis, g en . e t sp . n ., from lotic sandy bottoms of the Parana river, Argentina, is described . The establishment of the new genus is based on the presence of a non-ciliated pharynx, a discrete oesophagus, and a strong muscle system surrounding the distal pharynx . A new eme