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Hartmut Greven
Heinrich-Heine-Universität Düsseldorf
D-40225 Düsseldorf, Germany
13 articles by this author
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Research Article
Long-term effects of arrested metamorphosis on dental systems in Salamandra salamandra (Salamandridae: Urodela)
Günter Clemen, Hartmut Greven
10.3897/vz.68.e31600
 27-07-2018
 Unique: 636 | Total: 877  | Access Period:
 143-155
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Research Article
Histology and fine structure of epidermal papillomas in the Alpine newt Ichthyosaura alpestris (Urodela: Salamandridae)
Hartmut Greven, Gaston-Denis Guex
10.3897/vz.68.e32215
 05-04-2018
 Unique: 446 | Total: 600  | Access Period:
 5-19
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Research Article
Vomeropterygopalatina in larval Ichthyosaura alpestris apuanus (Amphibia: Urodela) and comments on the formation of the definite vomer in the Salamandridae
Hartmut Greven, Thomas Van De Kamp, Tomy dos Santos Rolo, Tilo Baumbach, Günter Clemen
10.3897/vz.67.e31584
 13-10-2017
 Unique: 583 | Total: 778  | Access Period:
 179-196
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Research Article
Organisation of the palate in a spontaneously transforming Mexican axolotl (Ambystoma mexicanum): a case report
Günter Clemen, Hartmut Greven
10.3897/vz.65.e31525
 13-11-2015
 Unique: 538 | Total: 648  | Access Period:
 351-356
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Research Article
The "tooth systems" of Lissotriton vulgaris (Amphibia: Urodela) with special regard to delayed metamorphosis
Hartmut Greven, Thomas Van De Kamp, Tomy dos Santos Rolo, Tilo Baumbach, Günter Clemen
10.3897/vz.65.e31508
 04-05-2015
 Unique: 359 | Total: 486  | Access Period:
 81-99
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Research Article
Formation of the secondary tongue in Hynobius leechi and Ambystoma mexicanum (Amphibia: Urodela)
Hartmut Greven, Heiko Richter, Günter Clemen
10.3897/vz.63.e31429
 29-08-2013
 Unique: 370 | Total: 468  | Access Period:
 217-232
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Research Article
Remodelling of the palate: an additional tool to classify larval salamandrids through metamorphosis
Günter Clemen, Hartmut Greven
10.3897/vz.63.e31428
 29-08-2013
 Unique: 342 | Total: 403  | Access Period:
 207-216
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Research Article
The "nasal barbel" of the halfbeak Dermogenys pusilla (Teleostei: Zenarchopteridae) - an organ with dual function
Klaus Zanger, Hartmut Greven
10.3897/vz.63.e31426
 29-08-2013
 Unique: 572 | Total: 755  | Access Period:
 183-191
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Research Article
Number and distribution of Leydig cells (LC) in the epidermis of the growing axolotl, Ambystoma mexicanum (Amphibia: Urodela)
Sonja Gerling, Jochen D’Haese, Hartmut Greven
10.3897/vz.62.e31371
 05-04-2012
 Unique: 555 | Total: 741  | Access Period:
 97-111
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Research Article
A microscopic and microanalytical study (Fe, Ca) of the teeth of the larval and juvenile Ambystoma mexicanum (Amphibia: Urodela: Ambystomatidae)
Heiko Richter, Horst Kierdorf, Uwe Kierdorf, Günter Clemen, Hartmut Greven
10.3897/vz.60.e30990
 12-05-2010
 Unique: 700 | Total: 961  | Access Period:
 27-35
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Research Article
Notes on the cranium of the paedomorphic Eurycea rathbuni (STEJNEGER, 1896) (Urodela: Plethodontidae) with special regard to the dentition
Günter Clemen, David Sever, Hartmut Greven
10.3897/vz.59.e30971
 11-12-2009
 Unique: 382 | Total: 446  | Access Period:
 157-168
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Research Article
Early tooth transformation in the paedomorphic Hellbender Cryptobranchus alleganiensis (DAUDIN, 1803) (Amphibia: Urodela)
Hartmut Greven, Günter Clemen
10.3897/vz.59.e30955
 15-05-2009
 Unique: 492 | Total: 604  | Access Period:
 71-79
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