List of works by Helmut Keupp

A critical review of Antarcticeras Doguzhaeva, 2017 – teuthid affinities can explain the poorly mineralized phragmocone

article

A new priapulid assemblage from the early Cambrian Guanshan fossil Lagerstätte of SW China

article

A new species of Hallucigenia from the Cambrian Stage 4 Wulongqing Formation of Yunnan (South China) and the structure of sclerites in lobopodians

article

Acanthoteuthis problematica Naef, 1922, an almost forgotten taxon and its role in the interpretation of cephalopod arm armatures

scholarly article published 1 September 2013

An armoured Cambrian lobopodian from China with arthropod-like appendages ⬇️

scientific article

Aspects of the origin of the Solnhofen lithographic limestone facies based on a new core drilling in the Maxberg quarry

scientific article published in 1994

Calcareous Dinoflagellate Cysts from the Lower Cretaceous of Hole 761C, Wombat Plateau, Eastern Indian Ocean

Calcareous dinoflagellate cysts and the Turonian nutrient crisis – Data from the upper Turonian of the Lower Saxony Basin (northern Germany)

scientific article published in September 2015

Calcareous phytoplankton from the Barremian/Aptian boundary interval in NW Germany

scholarly article by Helmut Keupp & Jörg Mutterlose published December 1994 in Cretaceous Research

Calcigonellum DEFLANDRE 1948 und Echinodinella n.gen. (kalkige Dinoflagellaten-Zysten) aus der nordwestdeutschen Unter-Kreide ⬇️

scientific article published in 1980

Complete ammonoid jaw apparatuses from the Solnhofen plattenkalks: implications for aptychi function and microphagous feeding of ammonoids

Desmoceras (Pseudouhligella) intrapunctatum n. sp. (Ammonoidea) aus dem Unter-Albium von NW-Madagaskar mit Ritzstreifen ⬇️

scientific article published in December 2008

Die kalkigen Dinoflagellaten-Zysten der borealen Unter-Kreide (Unter-Hauterivium bis Unter-Albium) ⬇️

scientific article published in December 1981

Die kalkigen Dinoflagellatenzysten des Mittelalb bis Untercenoman von Escalles/Boulonnais (N-Frankreich) ⬇️

scientific article published in 1987

Early Cambrian palaeobiogeography of the Zhenba–Fangxian Block (South China): Independent terrane or part of the Yangtze Platform?

article

Eine neue pithonelloide Dinoflagellaten-Kalkzyste aus der Oberkreide von South Dakota/USA ⬇️

scientific article published in December 1990

Enigmabelus n. gen. (Enigmabelitidae n.f.), an Early Jurassic (Late Pliensbachian) belemnite with an outstanding rostrum morphology

scientific article

Establishing an Agenda for Calcareous Dinoflagellate Research (Thoracosphaeraceae, Dinophyceae) including a Nomenclatural Synopsis of Generic Names

scientific article published on November 2008

Ischnochiton marloffsteinensis n. sp., eine Polyplacophore aus dem fränkischen Lias ⬇️

scientific article published in June 1988

Liapora neubigi n. g. et n. sp., the first Early Jurassic scyphopolyp with chitino-phosphatic periderm

scientific article published in November 2019

Liu et al. reply

scientific article published in Nature

Longibelusgen. nov., a new Cretaceous coleoid genus linking Belemnoidea and early Decabrachia

scientific article published in 2013

Microbial carbonate crusts-a key to the environmental analysis of fossil spongiolites?

scientific article published in 1993

Mud mounds: A polygenetic spectrum of fine-grained carbonate buildups

scientific article published in 1995

Neochoiaella n. gen. (Demospongeae, Choiaellidae)—a second poriferan Lazarus taxon from the Solnhofen Plattenkalk (Upper Jurassic, Southern Germany)? ⬇️

scientific article published on 21 February 2012

Neue Beispiele für den Regenerationsmechanismus bei verletzten und kranken Ammoniten ⬇️

scientific article published in 1976

New agglutinated polychaete worm-tubes from the Lower Jurassic (Late Pliensbachian) of Southern Germany

article

Non-invasive diagnostics in fossils - Magnetic Resonance Imaging of pathological belemnites

scientific article

Non-invasive diagnostics in pathological fossils by magnetic resonance imaging

scientific article published on 14 March 2005

Non-invasive imaging methods applied to neo- and paleo-ontological cephalopod research

scientific article published on 22 May 2014

Organismenverteilung in den D-Beds von Speeton (Unterkreide, England) unter besonderer Berücksichtigung der kalkigen Dinoflagellaten-Zysten ⬇️

scientific article published in 1984

Phylogeny of calcareous dinoflagellates as inferred from ITS and ribosomal sequence data

scientific article

Phylogeny of the aptychi-possessing Neoammonoidea (Aptychophora nov., Cephalopoda)

scientific article published in March 2002

Recent obliquipithonelloid calcareous cysts ofScrippsiella patagnoica sp. nov. (Peridiniaceae, Dinophyceae) from plankton of the Golfo San Jorge (Patagonia, Argentina)

scholarly article by Rut Akselman & Helmut Keupp published November 1990 in Marine Micropaleontology

SAME BUT DIFFERENT: TWO NOVEL BICARINATE SPECIES OF EXTANT CALCAREOUS DINOPHYTES (THORACOSPHAERACEAE, PERIDINIALES) FROM THE MEDITERRANEAN SEA(1).

scientific article

Spirula—a window to the embryonic development of ammonoids? Morphological and molecular indications for a palaeontological hypothesis

article

Steuerungsprozesse der Entwicklung von Oberjura-Spongiolithen Süddeutschlands: Kenntnisstand, Probleme und Perspektiven

scientific article published in 1990

Sublethal punctures in body chambers of Mesozoic ammonites (forma aegrafenestra n. f.), a tool to interpret synecological relationships, particularly predator-prey interactions

scientific article published in 2006

TIMING DEEP DIVERGENCE EVENTS IN CALCAREOUS DINOFLAGELLATES(1).

scientific article published on April 2008

Taphonomic traits of clay-hosted early Cambrian Burgess Shale-type fossil Lagerstätten in South China

article

Taxonomic revision of “Onychoteuthis” conocauda Quenstedt, 1849 (Cephalopoda: Coleoidea)

Terreneuvian small shelly faunas of East Yunnan (South China) and their biostratigraphic implications

article

The origin of Jurassic reefs: Current research developments and results

scientific article published in 1994

Thoracican cirripedes (Crustacea) from the Kimmeridgian of Brunn and Nusplingen (southern Germany), and their bearing on the origin of calanticid and scalpellid barnacles

scientific article

Ultrastructure of calcareous dinophytes (Thoracosphaeraceae, Peridiniales) with a focus on vacuolar crystal-like particles

scientific article (publication date: 2013)

Early teleost otolith morphogenesis observed in the Jurassic of Franconia, Bavaria, southern Germany

scientific article published in 2022

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