86 citations as recorded by crossref.

1. The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany) D. Korn & D. Weyer https://doi.org/10.5852/ejt.2023.882.2177
2. Pre–mass extinction decline of latest Permian ammonoids W. Kiessling et al. https://doi.org/10.1130/G39866.1
3. Early Carboniferous nautiloids from the Central Sahara, southern Algeria D. Korn & J. Bockwinkel https://doi.org/10.5852/ejt.2022.831.1871
4. Ammonites Leonhardianus Karsten, 1858 de los depósitos del Cretácico Superior de Venezuela P. Patarroyo https://doi.org/10.18273/revbol.v43n2-2021001
5. Is the relative thickness of ammonoid septa influenced by ocean acidification, phylogenetic relationships and palaeogeographic position? C. Weber et al. https://doi.org/10.1186/s13358-022-00246-2
6. Intraspecific variability through ontogeny in early ammonoids K. De Baets et al. https://doi.org/10.1666/0094-8373-39.1.75
7. Earliest Records of the GenusSpiticerasUhlig in the Neuquén Basin, Argentina: Systematic and Biostratigraphic Implications V. Vennari & B. Aguirre-Urreta https://doi.org/10.5710/AMGH.18.10.2016.3021
8. Taxonomic and paleobiogeographic review of the Guadalupian ammonoids reported by González-Arreola et al. (1994) from the Olinalá Formation, Guerrero state, Mexico A. Alanis-Pavón et al. https://doi.org/10.1016/j.jsames.2024.105072
9. A revised classification of the Carboniferous and Permian Nautilida D. Korn https://doi.org/10.5852/ejt.2025.1017.3065
10. Growth trajectories of some major ammonoid sub-clades revealed by serial grinding tomography data C. Naglik et al. https://doi.org/10.1111/let.12085
11. The ammonoid Gonioclymenia fauna from the Upper Devonian (upper Famennian) of western Junggar, northwestern China P. Zong et al. https://doi.org/10.1002/gj.4182
12. The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea) D. Korn & J. Bockwinkel https://doi.org/10.5852/ejt.2021.771.1503
13. Non-invasive imaging techniques combined with morphometry: a case study from Spirula R. Hoffmann et al. https://doi.org/10.1007/s13358-015-0083-0
14. Griesbachian and Dienerian (Early Triassic) ammonoids from Qubu in the Mt. Everest area, southern Tibet C. Zhang et al. https://doi.org/10.1016/j.palwor.2017.04.003
15. Traumatic events in the life of the deep-sea cephalopod mollusc, the coleoid Spirula spirula R. Hoffmann et al. https://doi.org/10.1016/j.dsr.2018.10.007
16. An ecomorphospace for the Ammonoidea S. Walton & D. Korn https://doi.org/10.1017/pab.2017.33
17. Quantification of ontogenetic allometry in ammonoids D. Korn https://doi.org/10.1111/ede.12003
18. Mid-Carboniferous ammonoids from the Shannon Basin, western Ireland: identification of crushed material A. Lacchia et al. https://doi.org/10.1007/s13358-015-0090-1
19. New species and stratigraphic data on Lower Bajocian (Middle Jurassic) lytoceratids (Ammonoidea) from Lókút, Bakony Mts, Hungary A. Galácz & P. Kassai https://doi.org/10.1007/s12542-011-0128-7
20. Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician) M. Aubrechtová & D. Korn https://doi.org/10.5852/ejt.2022.799.1681
21. Conch geometry, ontogeny and dimorphism in the Early Bajocian ammonoid Stephanoceras from Normandy, France M. Schmidt & D. Korn https://doi.org/10.1111/let.12439
22. The ammonoids from the Grès du Kahla supérieur of Timimoun (Middle-early Late Tournaisian; Gourara, Algeria) D. Korn et al. https://doi.org/10.1002/mmng.200900009
23. Ontogeny of highly variable ceratitid ammonoids from the Anisian (Middle Triassic) E. Bischof et al. https://doi.org/10.7717/peerj.10931
24. Codazziceras ospinae (Karsten, 1858) from the Turonian (Upper Cretaceous) of Colombia P. Patarroyo & P. Bengtson https://doi.org/10.1016/j.cretres.2017.04.002
25. Determination of Disease Perception and Anxiety Level in Preoperative Surgery Patients A. Şavk et al. https://doi.org/10.4274/terh.galenos.2021.34101
26. The early Moscovian ammonoid species Wiedeyoceras clarum Popov, 1979 in the Donets Basin, Ukraine V. Dernov https://doi.org/10.1080/08912963.2022.2086803
27. Additions and revisions to the inflated Pachydiscidae from the Campanian (Upper Cretaceous) strata of Denman and Hornby islands, British Columbia, Canada; taxonomic implications and insights into mode of life S. McLachlan https://doi.org/10.1017/jpa.2025.10105
28. Goniatites sphaericus (Sowerby, 1814), the archetype of Palaeozoic ammonoids: a case of decreasing phenotypic variation through ontogeny D. Korn https://doi.org/10.1007/s12542-017-0366-4
29. Morphological disparity and ontogeny of the endemic heteromorph ammonite genus Aegocrioceras (Early Cretaceous, Hauterivian, NW-Germany) R. Hoffmann et al. https://doi.org/10.1016/j.palaeo.2019.01.020
30. <i>Globacrochordiceras</i> gen. nov. (Acrochordiceratidae, late Early Triassic) and its significance for stress-induced evolutionary jumps in ammonoid lineages (cephalopods) C. Monnet et al. https://doi.org/10.5194/fr-16-197-2013
31. Permian ammonoids from the Guadalupian (Wordian–Capitanian) of Las Delicias, Coahuila state, Mexico: new biostratigraphical and paleobiogeographical insights A. Alanis-Pavón et al. https://doi.org/10.1017/jpa.2025.10140
32. Ontogenetic analysis of Anisian (Middle Triassic) ptychitid ammonoids from Nevada, USA E. Bischof & J. Lehmann https://doi.org/10.1017/jpa.2020.25
33. Bouleiceras (Hildoceratidae, Ammonitina) from the lower Toarcian (Jurassic) of the Iberian Range (Spain): Taxonomy, stratigraphic distribution and insights on its dispersal G. Martínez & F. García Joral https://doi.org/10.1016/j.geobios.2020.07.001
34. Late Permian nautiloids from Baghuk Mountain (Central Iran) D. Korn & V. Hairapetian https://doi.org/10.5852/ejt.2025.1019.3071
35. Late Permian nautiloids from Julfa (NW Iran) D. Korn & A. Ghaderi https://doi.org/10.5852/ejt.2025.1018.3069
36. The ammonoids from the Argiles de Timimoun of Timimoun (Early and Middle Viséan; Gourara, Algeria) J. Bockwinkel et al. https://doi.org/10.1002/mmng.200900013
37. Depósitos del Aptiano inferior con amonitas y rudistas, Punta Espada, Alta Guajira (Uribia – Colombia). Litoestratigrafía y apreciaciones regionales P. Patarroyo & S. Götz https://doi.org/10.18273/revbol.v42n3-2020010
38. Early Carboniferous coiled nautiloids from the Anti-Atlas (Morocco) D. Korn & C. Klug https://doi.org/10.5852/ejt.2023.885.2199
39. Buoyancy of some Palaeozoic ammonoids and their hydrostatic properties based on empirical 3D-models C. Naglik et al. https://doi.org/10.1111/let.12125
40. Contributions of morphospace and multivariate analyses to interpretations of phenotype patterns and trends in Mexican Idoceras G. Contreras-Figueroa et al. https://doi.org/10.1016/j.jsames.2019.03.008
41. Lituitid cephalopods from the upper Darriwilian and basal Sandbian (Middle–Upper Ordovician) of Estonia M. Aubrechtová & T. Meidla https://doi.org/10.1080/11035897.2020.1762723
42. Ammonoids of the Middle Devonian family Maenioceratidae in the Anti-Atlas of Morocco J. Bockwinkel & D. Korn https://doi.org/10.5852/ejt.2024.921.2413
43. Morphological Diversity of Carboniferous Ammonoids of Central Asia and Kazakhstan S. Nikolaeva https://doi.org/10.1134/S0031030122110132
44. Lytoceratid ammonites from the Inferior Oolite Formation (Middle Jurassic, Aalenian and Bajocian) of Dorset (United Kingdom) J. Whicher et al. https://doi.org/10.1016/j.pgeola.2023.03.001
45. The nautiloids from the Early Carboniferous Dalle à Merocanites of Timimoun, western Algeria D. Korn et al. https://doi.org/10.5852/ejt.2022.789.1635
46. New Data on Cisuralian Ammonoids of Pay-Khoy (Russian Arctic) from the Family Paragastrioceratidae Ruzhencev, 1951 K. Borissenkov https://doi.org/10.1134/S0031030120100020
47. Integrating 2D and 3D shell morphology to disentangle the palaeobiology of ammonoids: a virtual approach R. Hoffmann et al. https://doi.org/10.1111/pala.12328
48. The polyphasic ontogeny of the discoidal Late Devonian ammonoid Acrimeroceras S. Buchwald et al. https://doi.org/10.1007/s12542-019-00497-4
49. Parallel evolution controlled by adaptation and covariation in ammonoid cephalopods C. Monnet et al. https://doi.org/10.1186/1471-2148-11-115
50. Cephalopod associations and palaeoecology of the Cretaceous (Barremian–Cenomanian) succession of the Alpstein, northeastern Switzerland A. Tajika et al. https://doi.org/10.1016/j.cretres.2016.09.010
51. Environmental and ammonoid faunal changes related to Albian Bay of Biscay opening: Insights from the northern margin of the Basque-Cantabrian Basin L. Agirrezabala & M. López-Horgue https://doi.org/10.1016/j.seares.2017.04.002
52. Early Asselian (Earliest Permian) Ammonoids from the Taishaku Limestone, Akiyoshi Belt, Southwest Japan: An Asselian Ammonoid Fauna of the Mid-Panthalassan Realm M. Ehiro & T. Ozawa https://doi.org/10.2517/2020PR006
53. The coiled Middle Ordovician cephalopod genera Trocholites and Curtoceras (Tarphyceratida) from Baltoscandia and north-central Europe M. Aubrechtová & D. Korn https://doi.org/10.5852/ejt.2025.982.2843
54. How many ontogenetic points are needed to accurately describe the ontogeny of a cephalopod conch? A case study of the modern nautilidNautilus pompilius A. Tajika & C. Klug https://doi.org/10.7717/peerj.8849
55. The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian–Carboniferous boundary; Upper Franconia, Germany) D. Korn & D. Weyer https://doi.org/10.5852/ejt.2023.883.2179
56. Cephalopod body size and macroecology through deep time C. Klug et al. https://doi.org/10.1038/s41598-025-13940-1
57. Late Viséan (Mississippian) ammonoids (Cephalopoda) from the Central Moroccan Meseta D. Korn & V. Ebbighausen https://doi.org/10.5852/ejt.2025.989.2885
58. Goniatites A. Lacchia https://doi.org/10.1111/j.1365-2451.2012.00851.x
59. The ammonoids from the Late PermianParatirolitesLimestone of Julfa (East Azerbaijan, Iran) D. Korn et al. https://doi.org/10.1080/14772019.2015.1119211
60. A Changhsingian (late Permian) nautiloid assemblage from Gujiao, South China L. Miao et al. https://doi.org/10.1002/spp2.1275
61. Beyond preservation: morphological analysis of Lower Jurassic serpenticone ammonoids Í. Vitón & K. De Baets https://doi.org/10.18261/let.60.2.6
62. Famennian (Late Devonian) ammonoids from the Ouarourout section (Saoura Valley, Algeria) N. Allaire et al. https://doi.org/10.1016/j.annpal.2019.08.002
63. Ammonoids from the Dalle des Iridet of the Mouydir and Ahnet (Central Sahara) and the Formation d'Hassi Sguilma of the Saoura Valley (Late Tournaisian–Early Viséan; Algeria) D. Korn et al. https://doi.org/10.5194/fr-13-203-2010
64. A morphometric approach to conch ontogeny of &lt;i&gt;Cymaclymenia&lt;/i&gt; and related genera (Ammonoidea, Late Devonian) C. Klein & D. Korn https://doi.org/10.5194/fr-17-1-2014
65. Iterative ontogenetic development of ammonoid conch shapes from the Devonian through to the Jurassic S. Walton et al. https://doi.org/10.1111/pala.12308
66. Revision of the lower Aptian (Lower Cretaceous) ammonite species Cheloniceras cornuelianum (d’Orbigny, 1841) S. Bersac & D. Bert https://doi.org/10.1016/j.annpal.2018.01.001
67. Interpreting drag consequences of ammonoid shells by comparing studies in Westermann Morphospace K. Ritterbush https://doi.org/10.1007/s13358-015-0096-8
68. The genus Goniatites at the Gara el Itima (Anti-Atlas, Morocco) and the limits of Carboniferous ammonoid stratigraphy D. Korn https://doi.org/10.1007/s12549-025-00670-5
69. Late Givetian ammonoids from Hassi Nebech (Tafilalt Basin, Anti-Atlas, southern Morocco) J. Bockwinkel et al. https://doi.org/10.1002/mmng.201300001
70. Significance of the suture line in cephalopod taxonomy revealed by 3D morphometrics in the modern nautilids Nautilus and Allonautilus A. Tajika et al. https://doi.org/10.1038/s41598-021-96611-1
71. The ammonoids from the Argiles de Teguentour of Oued Temertasset (early Late Tournaisian; Mouydir, Algeria) D. Korn et al. https://doi.org/10.1002/mmng.200900010
72. First description of the early Devonian ammonoid Mimosphinctes from Gondwana and stratigraphical implications C. Klug https://doi.org/10.1007/s13358-017-0138-5
73. Taxonomic review of Berriasian and Valanginian ammonites from Zacatecas State (north-central Mexico) studied by Burckhardt in 1906 J. Ovando-Figueroa et al. https://doi.org/10.1016/j.cretres.2023.105743
74. The morphospace of Late Permian coiled nautiloids D. Korn et al. https://doi.org/10.1111/let.12348
75. The Changhsingian (Late Permian) ammonoids from Baghuk Mountain (Central Iran) D. Korn et al. https://doi.org/10.5852/ejt.2021.776.1559
76. The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea) D. Korn & J. Bockwinkel https://doi.org/10.5852/ejt.2022.823.1811
77. The succession of the mid-Bashkirian ammonoids Cancelloceras and Gastrioceras in North China D. Korn et al. https://doi.org/10.1016/j.palwor.2020.04.009
78. Patterns of intraspecific variation through ontogeny: a case study of the Cretaceous nautilidEutrephoceras dekayiand modernNautilus pompilius A. Tajika et al. https://doi.org/10.1111/pala.12490
79. The genus Discoceras (Tarphyceratida, Cephalopoda; Ordovician) from Estonia and glacial erratics in north-central Europe M. Aubrechtová et al. https://doi.org/10.5852/ejt.2026.1036.3173
80. Upper Frasnian Tornoceratidae (Ammonoidea) from the Sand Formation (Bergisch Gladbach-Paffrath Syncline, Rhenish Massif) T. Söte et al. https://doi.org/10.1007/s12542-020-00546-3
81. The ammonoids from the Dalle à <i>Merocanites</i> of Timimoun (Late Tournaisian–Early Viséan; Gourara, Algeria) V. Ebbighausen et al. https://doi.org/10.5194/fr-13-153-2010
82. First Evidence of Reproductive Strategies in Cephalopods Preserved in Phosphate and Siderite Nodules from the Devonian of Uruguay G. Piñeiro et al. https://doi.org/10.3390/fossils2030011
83. A new Late Viséan ammonoid assemblage from the Anti-Atlas (Early Carboniferous, Morocco) D. Korn https://doi.org/10.5852/ejt.2025.987.2873
84. Bilinguites — a cosmopolitan Late Carboniferous ammonoid genus D. Korn et al. https://doi.org/10.1016/j.palwor.2020.12.002
85. Modeling of ontogenetic changes in the shell cross section of the most ancient (Late Permian) representatives of <i>Otoceras</i> (Ammonoidea) R. Kutygin & A. Kilyasov https://doi.org/10.31242/2618-9712-2024-29-1-48-59
86. The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea) D. Korn & J. Bockwinkel https://doi.org/10.5852/ejt.2022.806.1699