MARCH 
What's New?
last revised 01 OCTOBER 2014 walking trilobite image ©2000 by S. M. Gon III
   
 
Search this website
find the TRILOBITE OF THE MONTH (TOM) for past year  below and click to view!
Previous TOM archive images available by request via email

2014:
October Trilobite of the Month: Redlichia mai
September Trilobite of the Month: Hongshiyanaspis yiliangensis
August Trilobite of the Month: Bumastoides billingsi
July: Sam was on travel in Paris!
June Trilobite of the Month: Redlichia mansuyi
May Trilobite of the Month: Odontopleurida cf Meadowtownella sp.
April Trilobite of the Month: Pterocephalia norfordi
March Trilobite of the Month: Agnostotes clavata
February Trilobite of the Month: Hydrocephalus (Rejkocephalus) rotundatus
January Trilobite of the Month: Morocconites sp. nov.


2013:
 
December Trilobite of the Month: Bufoceraurus bispinosus
November Trilobite of the Month: Platypeltoides cf. magrebiensis
October Trilobite of the Month: Myopsolenites altus
September Trilobite of the Month: Tretaspis latilimba
August Trilobite of the Month: Pagetia sp. cf lira
July Trilobite of the Month: Didrepanon sp.
June Trilobite of the Month: Spathacalymene nasuta
May Trilobite of the Month: Amecephalus laticaudatum
April Trilobite of the Month: Cedaria minor
March Trilobite of the Month: Cyrtometopella aries
February Trilobite of the Month: Zeliszkella renaudae
January Trilobite of the Month: Brachymetopus mccoyi


2012:

 
December Trilobite of the Month: Cyphaspides sp.
November Trilobite of the Month: Eccaparadoxides pradoanus
October Trilobite of the Month: Scabrella luxemburgensis
September Trilobite of the Month: Yiliangella xundianensis
August Trilobite of the Month: Acernaspis cf orestes
July Trilobite of the Month: Arthricocephalus chauveaui
June Trilobite of the Month: Eodiscus punctatus
May Trilobite of the Month: Eccaparadoxides rouvillei
April Trilobite of the Month: Kaotaia magnum
March Trilobite of the Month: Monkaspis daulis
February Trilobite of the Month: Dicranurus hamatus elegantus

January Trilobite of the Month: Struveaspis sp.

2011:
December Trilobite of the Month: Lichinae sp.
November Trilobite of the Month: Lichas marocanus
October Trilobite of the Month: Akantharges sp.
September Trilobite of the Month: Hamatolenus sp.
August Trilobite of the Month: Bellacartwrightia jennyae
July Trilobite of the Month: Sam was in Europe on Vacation!
June Trilobite of the Month: Emuella polymera
May Trilobite of the Month Monodechenella macrocephala
April Triobite of the Month Elrathia kingi
March Trilobite of the Month Archegnous cauliquercus
February Trilobite of the Month Aciculolenus palmeri
January Trilobite of the Month: Irvingella sp.


2010:
December Trilobite of the Month Kettneraspis tuberculata
November Trilobite of the Month Nahannia sp.
October Trilobite of the Month Phalagnostus nudus
September Trilobite of the Month Gabriellus lanceatus
August Trilobite of the Month Olenoides paraptus
July Trilobite of the Month Phillipsia belgica
June Trilobite of the Month Australosutura sp.
May Trilobite of the Month Griffithides ixtaltepecensis
Added Emucaridae to Trilobite Relationships page
April Trilobite of the Month Odontochile sp.
March Trilobite of the Month Cyphaspides sp.
February Trilobite of the Month Kootenia spencei

January Trilobite of the Month: Dipleura dekayi

2009:
December Trilobite of the Month: Norwoodia assemblage
November Trilobite of the Month:  Ptarmigania rossensis
October Trilobite of the Month: Ohleum cf. eurydice
September Trilobite of the Month: Olenellus fowleri
August
Trilobite of the Month: Achatella acates
July Trilobite of the Month: Olenoides inflatus
June Trilobite of the Month: Dicanthopyge sp
May Trilobite of the Month: Paranephrolenellus cf. besti
April Trilobite of the Month: Peachella iddingsi
March Trilobite of the Month Pagetia significans
February Trilobite of the Month Lepidoproetus aff diademifer
Unveiled draft page on The Earliest Trilobites
January Trilobite of the Month: Olenoides sp.


2008:
December Trilobite of the Month: Amecephalus cf. idahoense
November Trilobite of the Month: Viaphacops bombifrons
October Trilobite of the Month: Kochina (?) sp.
September Trilobite of the Month: Ampyx nasutus
August Trilobite of the Month: Koneprusia sp.
Added link to Fourth International Trilobite Conference to Links page
Added image of trilobite tracks and nest on Trilobite Traces
Added image of
superb ventral Triarthrus to Ventral Morphology
July Trilobite of the Month: Foulonia sp.
June Trilobite of the Month: Piltonia carlakertisae
May Trilobite of the Month: Pandaspinapyga mutica
April Trilobite of the Month: Laethoprusia sp nov
March Trilobite of the Month:
Damesella paronai
February Trilobite of the Month: Dysplanus acutigenia
New trilobite locality page: The Walcott-Rust Quarry
Some edits to the page on Origins of Trilobites
January 2008 Trilobite of the Month: Lehua ponti


2007:
December 2007 Trilobite of the Month: Zacanthoides grabaui
Created a page introducing the trilobite Cephalon
Added anaprotaspis and metaprotaspis section to Ontogeny page
November 2007 Trilobite of the Month: Sphaerocoryphe robusta
October 2007 Trilobite of the Month: Cernuolimbus sp.
Added Life History Strategies to Ontogeny page
September 2007 Trilobite of the Month: Centropleura neglecta
Updated classification notes for Order Lichida
Drafted page recognizing Order Odontopleurida
August 2007 Trilobite of the Month: Zacanthoides cf serratus
Added a page on the trilobite Thorax
July Trilobite of the Month: Bessazoon tigerensis
June 2007 Trilobite of the Month: Utaspis marjumensis
May 2007 Trilobite of the Month: Dolichoharpes reticulatus
April 2007 Trilobite of the Month: Selenocoryphe "platyura"
Added a page of unusual trilobite reconstructions
March 2007 Trilobite of the Month: Pradoella tazzarinensis
Added genal spine image & terms on Major Features page
February 2007 Trilobite of the Month: Coronocephalus sp
Added more information on Development/Ontogeny page
January 2007 Trilobite of the Month: Rhenops cf anserinus


2006::
Update of systematic notes for summary page on Order Lichida 
December 2006 Trilobite of the Month: Dalmanites myops
November 2006 Trilobite of the Month: Pseudocryphaeus quaterspinosus
October 2006 Trilobite of the Month: Metopolichas erici
September 2006 Trilobite of the Month: Gudralisium lindarense
August 2006 Trilobite of the Month: Weania superba
July 2006 Trilobite of the Month: Illaenus bayfieldi
June 2006 Trilobite of the Month: Pianaspis sp.
Added page on Trilobite Biostratigraphy
Added page on Trilobite Abnormalities
Added larval characters to Corynexochida Fact sheet
May 2006 Trilobite of the Month: Stygina sp.
April 2006 Trilobite of the Month: Metopolichas platyrhinus
Adjusted the Trilobite Order Relationships page
Added reconstructions of some late Permian trilobites
March 2006 Trilobite of the Month: Lachnostoma latucelsum
Added new trilobite locality page: Latham Shale of California
Drafted page on living Trilobite Imposters
February 2006 Trilobite of the Month: Parahomalonotus planus
Added info to Trilobite Ventral Morphology page
January 2006 Trilobite of the Month: Glyptambon verrucosus


2005:
December 2005 Trilobite of the Month: Cornuproetus cornutus
Created page on
exoskeletal sculpture: Trilobite Prosopon
November 2005 Trilobite of the Month: Olenoides nevadensis
October 2005 Trilobite of the Month: Homotelus bromidensis
September 2005 Trilobite of the Month: Cyphaspis sp.
August 2005 Trilobite of the Month: Paladin chesterensis
July 2005 Trilobite of the Month: Acanthopyge (Lobopyge) consanguinea
Page drafted on the world's largest trilobites
June 2005 Trilobite of the Month: Albertella longwelli
More localities added
to world trilobite localities page
May 2005 Trilobite of the Month: Acadoparadoxides nobilis
Drafted page on
trilobites of Burgess Shale and Chengjiang 
April 2005 Trilobite of the Month: Cryptolithus bellulus
April 1 2005 "Trilobite" of the Month: Serolina delaria
March 2005 Trilobite of the Month: Gerospina schachti
February 2005 Trilobite of the Month: Dresbachia sp.
Transfer of entire website to www.trilobites.info
January 2005 Trilobite of the Month: Pseudocybele nasuta


2004:
December 2004 Trilobite of the Month: Failleana indeterminata
November 2004 Trilobite of the Month: Isotelus latus
October 2004 Trilobite of the Month: Morocconites malladoides
Adjusted cross section images on the page of Internal Anatomy
September 2004 Trilobite of the Month: Mesonacis vertmontanus
August 2004 Trilobite of the Month:
Orygmaspis contracta
July 2004 Trilobite of the Month: Nobiliasaphus nobilis
June 2004 Trilobite of the Month: Unidentified Siberian trilobite
Unveiled a new page on the final extinction of trilobites
May 2004 Trilobite of the Month: Altiocculus harrisi
April 2004 Trilobite of the Month: Oryctocephalites palmeri
March 2004 Trilobite of the Month: Yunnanocephalus yunnanensis

February 2004 Trilobite of the Month: Flexicalymene granulosa
January 2004 Trilobite of the Month: Breviphillipsia sampsoni


2003
December 2003 Trilobite of the Month: Chotecops ferdinandi
Added genera lists to all Order Fact Sheets
Added complete list of all trilobite genera
November 2003 Trilobite of the Month: Flexicalymene senaria

Added page on Precambrian Origins of Trilobites
October 2003 Trilobite of the Month: Modocia typicalis
Added Whittington 2003 notes to Corynexochida and Asaphida
September 2003 Trilobite of the Month: Thysanopeltis speciosa
August 2003 Trilobite of the Month: Hollardops merocristata
July 2003 Trilobite of the Month: Bathyuriscus elegans

June 2003 Trilobite of the Month: Declivolithus sp
Added chart of relationships in the Order Asaphida
May 2003 Trilobite of the Month: Presbynileus ibexensis
Added a page on the genus Bathynotus
April 2003 Trilobite of the Month: Zacanthoides grabaui
March 2003 Trilobite of the Month: Olenoides serratus w/limbs
February 2003 Trilobite of the Month: Hypagnostus parvifrons
Corrected the image: ventral reconstruction of limbs
Added "exploded" views of facial sutures
January 2003 Trilobite of the Month: Harpides sp.
Unveiled pages on the Order Harpetida
2002
Expanded facial suture page to include named suture patterns
Revised trilobite classification chart to reflect recent updates
Added Classification notes to all order fact sheets December 2002 Trilobite of the Month: Aulacopleura konincki
November 2002 Trilobite of the Month: Boedaspis ensifer
Added more on trilobite limbs on Ventral morphology page
Replaced image of Burgess Shale community (now in color!)
ICZN (International Commission on Zoological Nomenclature) action posted:
Conservation of the genus Cryphops Richter & Richter, 1926
October 2002 Trilobite of the Month: Meteoraspis dis
September 2002 Trilobite of the Month: Ptyocephalus yersini
Added images of all known trilobite-clade arachnomorphs
August 2002 Trilobite of the Month: Dresbachia sp.
July 2002 Trilobite of the Month: Schmalenseeia sp.
Revisions to the Naraoiidae page
Added section on Arachnomorph classification
June 2002 Trilobite of the Month: Coosella sp.
New book published on Trilobites of New York!
May 2002 Trilobite of the Month: Cheirurus (Crotalocephalus) gibbus
April 2002 Trilobite of the Month: Drotops megalomanicus
March 2002 Trilobite of the Month: Lonchocephalidae sp. nov.
Page on Naraoiidae unveiled (Ninth Order of Trilobites?)
Added images to Ptychopariida Gallery
February 2002 Trilobite of the Month: Illaenus tauricornis
Page on Special Morphological Terms added
Systematic citations added to Family Listing
January 2002 Trilobite of the Month: Palaeadotes hunanensis
End of 100K Contest: See answers and winners here
2001
December 2001 Trilobite of the Month: Tricrepicephalus coria
November 14, 2001: Guide Website achieves 100,000 visitors!
November 2001 Trilobite of the Month: Walliserops trifurcatus
Dorsal/ventral morphology charts in multi-language mode
New material added to Hypostome page
Completed all Pictorial Guides to the Orders
October 2001 Trilobite of the Month: Odontochile hausmani
Added pictorial guide to the Lichida
Added pictorial guide to Corynexochida
Added Pictorial Guide to Phacopida
Refined the trilobite enrollment animation
September 2001 Trilobite of the Month: Aristoharpes sp.
Brief update added to section on filter feeding in trilobites
August 2001 Trilobite of the Month: Hoplolichas plautini
July 2001 Trilobite of the Month: Phacops assemblage
ICZN (International Commission on Zoological Nomenclature) application posted:
Application to conserve the nominal genus Cryphops Richter & Richter, 1926
Large number of trilobites put up for trade (1st come 1st served)
Fixed image links in all galleries: please report broken links
June 2001 Trilobite of the Month: Russian Ptychopyge
May 2001 Trilobite of the Month: Chinese Asaphopsoides
April 2001 Trilobite of the Month: Giant Asaphellus
Working on page featuring Naraoiidae (Trilobite Sister Group)
Sister website created: The Anomalocaris Homepage
Update of Anomalocaris reconstruction on Trilobite Ecology page
March 2001 Trilobite of the Month: Elrathia kingi
February 2001 Trilobite of the Month: Cambropallas telesto
Added Amazon.com links to trilobite books
January 2001 Trilobite of the Month: Illaenus tauricornis
Added page on Trilobite Trace Fossils
Added citation on trilobite eggs on Ontogeny page
Site accolades and awards moved to separate page
Changed some gallery thumbnails on home page

December 1999 - 2000
December Trilobite of the Month: Ceratarges sp.
Added PayPal purchase option to hardcopy page
Hardcopy of this website now available! See page previews
Added discussion of genal caeca in Internal Anatomy page
November Trilobite of the Month: Olenoides sp nov.
Improved image of trilobite ventral morphology
October Trilobite of the Month: Balcoracania dailyi
Completed Trilobite Evolutionary Trends page
Updated Agnostida and Redlichiida Galleries
September Trilobite of the Month: Double Dalmanites
Added image of rare, many-segmented Balcoracania
August: Trilobite of the Month: Kolihapeltis rabatensis
July: Trilobite of the Month: Calymene breviceps
New sections in Reproduction and Ontogeny page
Developing new page on trilobite Evolutionary Trends
Improved images in Agnostida & Redlichiida Galleries
Richard Fortey's new book TRILOBITE! makes its UK debut
Developed a page on Trilobite Feeding Habits
Updated the Trilobite Order Relationship Chart
Completed a section on Trilobite Paleogeography
Updated Geological Time Scale with 1999 GSA standard
Unveiled page on Trilobite specimen preparation
Improved the animated map of continental drift
Added a Site Map for better access to all pages
A draft Key to the Orders of Trilobites
Developing Pictorial Guides to the Orders
Reorganized home page menu by topics
Added link to Trilobite of the Month Archives
May: Trilobite of the Month: Ceraurus!
Feature on Arthropod and Trilobite Relationships
Added a feature box on Brood Pouches in Trilobites
Added a feature on Evolutionary Loss of Eyes
Announced the Winners of the Trilobite Contest
Added a feature on Trilobite Internal Anatomy
April: Started the "Trilobite of the Month" feature
Added a feature box on Anomalocaris
Created an animation of a trilobite molting
Added the Trilobite Contest Page
Created an animation of a walking trilobite
 Created a page featuring the Trilobite Eye
 Added a new page on Trilobite Ecology
 Added a page offering some Trilobites to Trade
 Resized (smaller) the chart of Dorsal Morphology
 Changed the Geological Time Chart to a table (faster)
Added examples of trilobite protaspides to Ontogeny

©1999 - 2008 by S. M. Gon III