+ Site Statistics
+ Resolve Accession
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
Submit PDF Full TextSubmit PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

Systematics and phylogeny of higher cretaceous ammonoid taxa

, : Systematics and phylogeny of higher cretaceous ammonoid taxa. Paleontologicheskii Zhurnal (2): 15-32

Ammonoid species (111) belonging to 70 genera of all the 14 superfamilies were studied using the ontogenetic method. A phylogenetic scheme and a system were presented for this group of ammonoids of the Early and Late Cretaceous. They were classified under 3 orders: Phyloceratida (Phylocerataceae) with a monomorphic shell; Lytoceratida with a monomorphic shell (Lytocerataceae and Tetragonitaceae) and a heteromorphic shell (Turrilitaceae and Scaphitaceae); Ammonitida with a monomorphic shell (Douvilleicerataceae, Parahoplitaceae, Deshayestaceae, Hoplitaceae, Stephanocerataceae, Perisphinctaceae, Haplocerataceae, Desmocerataceae) and with a heteromorphic shell (Ancylocerataceae).

(PDF 0-2 workdays service)

Order PDF Full Text


Click here to order any other PDF Full Text

Accession: 006574495

PDF Full Text: Submit

Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:

Other references

De Blieck, L., 1935: Fowl Coryza. The nature of infectious coryza is described; it consists of a chronic type of nasal catarrh which can be transmitted by instillation of nasal secretion or by contact. A bacillus, thought to be the causal agent, is described in detail. The organis...

Adeniji, Comfort, A.; Fakoya, Kafayat, A.; Omamobwo, Violet, R., 2007: Partial replacement of soybean cake with Amaranthus spinosus leaf meal in the diet of Nile Tilapia (Oreochromis niloticus). The study, designed to assess the potentials of oven dried Amaranthus spinosus leaf meal as partial replacement for soybean cake in the diet of Nile Tilapia, revealed no significant difference (P>0.05) in feed and protein intake. Fish fed on A...

Llorente Vigil, G., 1983: Notes on the genus Pontania O. Costa, 1859 (Hymenoptera, Tenthredinidae). Species of the genus Pontania develop on the leaves of Salix spp., some producing galls and other constructing leafrolls. Collection data and notes on biology and food-plants are given for 6 species collected recently in Spain; they include 3 spec...

Seok, Yeong-Seok; Zhu, Peng-Peng; Koo, Byoung-Mo; Peterkofsky, Alan, 1998: Autophosphorylation of enzyme I of the Escherichia coli phosphoenolpyruvate: Sugar phosphotransferase system requires dimerization. Enzyme I of the Escherichia coli phosphoenolpyruvate:sugar phosphotransferase system undergoes a slow monomer-dimer transition. In vitro autophosphorylation of Enzyme I by PEP was studied at limiting concentrations of the protein. Addition to incu...

Nielsen, E. L.; Smith, D. C., 1952: Interrelations of selected plant characters in Kentucky bluegrass (Poa pratensis L.). At Madison, Wis., approximately 5000 plants were classified with regard to 15 characters affecting pasture and turf value, and the paired associations among these traits were determined. The data suggest that some desirable characters, e.g. early...

Alonso, J. . Corral, J. C. .; Lopez, R. ., 1999: Proceedings of the World Congress on Amber Inclusions. Vitoria-Gasteiz, Basque Country (Spain) 20-23 October 1998. Estudios del Museo de Ciencias Naturales de Alava, 14: 1-272 Numero especial 2

MacKerron, G.; Rush, H. J., 1976: Agriculture in the EEC. Taking stock. The focus of this assessment is the European Community's 'Stocktaking of the Common Agricultural Policy' (WAERSA 17, 3612). While the CAP has attracted considerable scrutiny and controversy, the stocktaking represents the most autho...

Nowak, W., 1958: Nowe stanowiska skamienialosci w warstwach godulskich. Kwartalnik Geologiczny, 2: 857-859

Arnouts, S.; Matthys, C., 2005: How can poultry products enrich our diet with DHA, a semi-essential fatty acid?. The last decade, the importance of the right balance of w3 and w6 fatty acid in our diet for human health has well been recognised. By far, the most abundant fat sources in the western human and animal diets today are of vegetable origin and of th...

Larsen, N. E.; Samuelsson, E. G., 1979: Some technological aspects on fractionation of anhydrous butterfat. Fractionation of butterfat, from a cultured Danish butter with I value of 32.2, was studied in order to develop a butter that would be spreadable at refrigeration temp. and have the same consistency at room temp. Using 8 vol. acetone to 1 vol. but...