To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
.
Leo
Newton
Brights
Milds

Lechritrochoceratidae

From Wikipedia, the free encyclopedia

Lechritrochoceratidae
Temporal range: Mid-Late Silurian
Peismoceras optatum from Czech Republic, at the National Museum (Prague)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: Tarphycerida
Suborder: Barrandeocerina
Family: Lechritrochoceratidae
Flower, 1950
Genera[1]

See text

Lechritrochoceratidae is a family of derived tarphycerids from the middle and upper Silurian, once included in the now largely abandoned Barrandeocerida.

Description

Lechritrochoceratidae comprise dextrally torticonic genera with costate shells and ventrally displaced siphuncles. Offset coiling in low spired. Rate of expansion and coarseness of costae vary, genus to genus. Costae are generally narrow and sharp with wide areas between and slant dorso-ventrally toward the apex.

Genera

Six genera have been described:

  • Lechritrochoceras Foerste, 1926
  • Catyrephoceras Foerste, 1926
  • Leurotrochoceras Foerste, 1926
  • Peismoceras Hyatt, 1894
  • Systrophoceras Hyatt, 1894
  • Trochodictyoceras Foerste, 1926

References

  1. ^ "Lechritrochoceratidae". Fossilworks. Gateway to the Paleobiology Database. Retrieved 11 November 2022.
This page was last edited on 18 July 2023, at 19:27
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.