graptolites

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• - First find of a Permian rhabdopleurid (Graptolithoidea).
  
• - Diagnosis and illustrations of the genus Cystograptus Hundt, 1942.
  
• - Pyritization and deformation of graptolites by Ch.M. Witkowski.
  
• - Photo of the graptolite species.
  
• - Homepage of a graptolite researcher (interests, publications, students).
  
• - List of species, genera, and families.
  
• - Information and topical news about graptolites, and those scientists working on graptolites in the UK and Ireland
  
• - An association of geologists, paleontologists, and others who have expertise in graptolites or an interest in their use in solving geological problems.
  
• - Three coenecia (two very young)from Stock Point, Plymouth.
  
• - Biographical note.
  
• - Links to graptolite and pterobranch pages, abstracts, articles, graptolite researchers.
  
• - Note on the mathematical model and simulation of dendroid graptolite growth.
  
• - Stolonoid graptolites discussed as rhabdopleurids.
  
• - Classification and phylogeny of graptolites.
  
• - Three pyritized colonies (photo).
  
• - Remarks on affinities of some graptolite-like fossils.
  
• - Description and SEM micrographs of normal and sealed thecal morphs in the camaroid graptolite Xenotheka klinostoma from the Ordovician of Öland, Sweden.
  
• - Piotr Mierzejewski: research interests, abstracts of recent graptolite publications.
  
• - Graptolite-like fossils from the Upper Ordovician of Ohio and Indiana. By J.M. St.John and M.A. Wilson.
  
• - Current graptolite projects; general information.
  
• - An excellently preserved zooidal tube of a Silurian hemichordate closely related to the extant genus Rhabdopleura.
  
• - Biography of an Authority on Graptolites.
  
• - (with Dr Nancy Kirk). Research interests, morphology of retiolitids, ultrastructure, mode of life, evolution.
  
• - List of extinct and extant families, genera and species.
  
• - The Carboniferous rhabdopleurid graptolite closely resembling the extant species Rhabdopleura compacta Hincks.
  
• - A graptolite-like fossil from the Ordovician of Estonia and erratic boulders.
  
• - Material from the Bendigonian Series, Bendigo, Victoria, Austalia.
  
• - Affinities of some alleged graptolite genera.
  
• - Isolated stolons of Koremagraptus-like graptolites were misinterpreted as remains of the 'chitinous' hydroids (4 images).
  
• - Results of the amino-acid analysis of the skeleton of Rhabdopleura and Cephalodiscus.
  
• - General information about graptolites, based on Treatise on Invertebrate Paleontology (1970).
  
• - Nature of the genera assigned to the graptolite order Inocaulida.
  
• - Definition and nature of the Graptovermida, graptolites incertae sedis.
  
• - Relationshipis among graptolite orders.
  
• - Abstract. Authors: J.M. Piçarra, J.C. Gutiérrez_Marco, A.C. Lenz, and M. Robardet.
  
• - Research, recent graptolite publications.
  
• - The only fossil species of the genus Cephalodiscus.
  
• - Diagnosis, distribution, and images of the genus.
  
• - Personal page of Professor Emeritus Alfred C. Lenz. List of publications, research, students.
  
• - Back-Scattered Electron Microscopy technique applied to study graptolitic material - BSEM image of Psigraptus.
  
• - A new model for graptoloid locomotion by M.J. Melchin and M.E. DeMont.
  
• - Morphology and distribution of the Upper Silurian genus Lobograptus.
  
• - Images (SEM and LM) of the fundamental unit of cortex in graptolites.
  
• - Diagnosis, occurrence, images, and references of the species.
  
• - Early Palaeozoic tracheid-like tubes, believed to be of vascular land plant origin, resemble fragments of graptolite stolons.
  
• - Information about the species; photo.
  
• - An enigmatic organic-walled fossil twisted around stipes of the sessile graptolite Mastigograptus (Middle Ordovician).