Editorial
![](https://sepaleontologia.es/wp-content/uploads/2021/03/sjp2020_v36_1_04_image.jpg)
Tribute to María Luisa Martínez Chacón and Luis C. Sánchez De Posada
Elisa Villa & Carmen Álvarez-Vázquez
Editorial
https://doi.org/10.7203/sjp.33.1.13238
Published: 30 June 2018
Contributions
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_02.jpg)
Revision and significance of the Westphalian (Middle Pennsylvanian) arborescent lycopsid Bergeria dilatata (Lindley & Hutton) Álvarez-Vázquez & Wagner
Carmen Álvarez-Vázquez, Jiří Bek, John A. Knight & Robert H. Wagner
Research paper
https://doi.org/10.7203/sjp.33.1.13240
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_03_a.jpg)
Microstructure and crystallography in Axophyllinae. Precisions on the genus Morenaphyllum
Ismael Coronado & Sergio Rodríguez
Research paper
https://doi.org/10.7203/sjp.33.1.13241
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_04.jpg)
Rare Middle and Upper Devonian dalmanelloid (Orthida) of the Cantabrian Mountains, N Spain
Jenaro L. García-Alcalde
Research paper
https://doi.org/10.7203/sjp.33.1.13242
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_05.jpg)
Presence of Naraoia Walcott, 1912 (Nektaspida, Arthropoda) in the middle Cambrian of Europe (Murero, NE Spain)
Rodolfo Gozalo, Mª Eugenia Dies Álvarez, José Antonio Gámez Vintaned, Juan B. Chirivella & Eladio Liñán
Research paper
https://doi.org/10.7203/sjp.33.1.13243
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_06.jpg)
Carboniferous trace fossils from Vélez-Málaga (Maláguide Complex, Betic Cordillera, SE Spain)
Eduardo J. Mayoral, José A. Gámez Vintaned, José B. Diez & Eladio Liñán
Research paper
https://doi.org/10.7203/sjp.33.1.13244
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_07.jpg)
Conodont association of the Bashkirian-Moscovian boundary interval of the Donets Basin, Ukraine
Tamara I. Nemyrovska & Keyi Hu
Research paper
https://doi.org/10.7203/sjp.33.1.13245
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_08.jpg)
Preliminary assessment of coupling the analysis of shell microstructures and microtextures as palaeoecological indicator in fossil brachiopods
Alberto Pérez-Huerta & Hannah Reed
Research paper
https://doi.org/10.7203/sjp.33.1.13246
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_09.jpg)
Late Quaternary marine ostracods of the Basque Basin (S Bay of Biscay): taxonomy and distribution
Julio Rodríguez-Lázaro, Blanca Martínez-García, Maite Martín-Rubio, Ana Pascual & Zeltia Varela
Research paper
https://doi.org/10.7203/sjp.33.1.13247
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_10.jpg)
Morphologic variation in the P1 element of Mississippian species of the conodont genus Pseudognathodus
Javier Sanz-López, Silvia Blanco-Ferrera & C. Giles Miller
Research paper
https://doi.org/10.7203/sjp.33.1.13248
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_11.jpg)
Productidinid brachiopods (Strophomenata, Productida), including Martinezchaconia luisae new genus and new species of Linoproductidae, from the Carboniferous of Santiago Ixtaltepec region, Oaxaca, Southeast México
Miguel A. Torres-Martínez & Francisco Sour-Tovar
Research paper
https://doi.org/10.7203/sjp.33.1.13250
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_12.jpg)
Demarcation problem in fusuline classifi cation: A case for Verella/Eofusulina discrimination
Katsumi Ueno & Elisa Villa
Research paper
https://doi.org/10.7203/sjp.33.1.13251
Published: 30 June 2018
![](https://sepaleontologia.es/wp-content/uploads/2021/04/sjp2018_v33_1_13.jpg)
Fusulines from the Central Asturian Coalfield (Pennsylvanian, Cantabrian Zone, Spain) and their significance for biostratigraphic correlation
Elisa Villa, Oscar Merino-Tomé & Jaime Martín Llaneza
Research paper
https://doi.org/10.7203/sjp.33.1.13252
Published: 30 June 2018