Results 181 to 190 of about 2,265 (195)

Microstructure and mineralogy of the outer calcareous layer in the lower jaws of Cretaceous Tetragonitoidea and Desmoceratoidea (Ammonoidea)

Lethaia, 2012
Kazushige Tanabe, Neil H Landman
exaly  

Cheloniceras natarius sp. nov. (Ammonoidea) from the Lower Aptian of Ulyanovsk Povolzhye

Paleontological Journal, 2009
exaly  

Ontogenèse et évolution des Amaltheidae (Ammonoidea)

1988
openaire   +1 more source

A Monograph of the Ammonoidea of the Gault. Part I. Pages 1–72; Plates I–IV

Monograph of the Palaeontographical Society, 1923
exaly  

Evolution of biological complexity and its relation to taxonomic longevity in the Ammonoidea

Geology, 1992
exaly  

The cephalopod macrosystem: A historical review, the present state of knowledge, and unsolved problems: 3. Classification of Bactritoidea and Ammonoidea

Paleontological Journal, 2006
exaly  

[On the origin of Ammonoidea].

Biological reviews of the Cambridge Philosophical Society, 1967
openaire   +1 more source

Double function of aptychi (Ammonoidea) as jaw elements and opercula

Lethaia, 1990
exaly  

A Monograph of the Ammonoidea of the Gault. Part XI. Pages 443–496; Plates XLIX–LVI

Monograph of the Palaeontographical Society, 1934
exaly  

A Monograph of the Ammonoidea of the Gault. Part XIV. Pages 609–668; Plates LXV–LXXII

Monograph of the Palaeontographical Society, 1941
exaly