Susana Maytía Romero, Pablo E Penchaszadeh, Leonardo Ortega, Rosario Quintero, Alvar Carranza, Leonardo Santos de Souza, Angel Segura, Gabriela Vélez-Rubio, Ariel De León-Mackey, Romina Trinchin, Mariano Martínez, Martín Brogger, Wilson Serra, Mariela Romanelli, Fabrizio Scarabino, Alejandro Tablado

Asteroidea (Echinodermata) from Uruguay (SW Atlantic): an annotated checklist and zoogeographic considerations

Zoology

The diversity of Asteroidea from the Southwestern Atlantic between 30° S and 40° S (southern Brazil, Uruguay, and northern Argentinean wate...

Review:

This paper presents a much-needed compilation and analysis of Asteroidea (sea stars) from Uruguayan waters, a region where existing knowledge has rema...

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Cintia Pamela Fraysse, Analía Fernanda Pérez, Ayelén Mattenet, Malena Pfoh, Claudia Clementina Boy

Oral brooding (Anasterias antarctica) versus internal brooding (Diplopteraster verrucosus): Contrasting strategies of the brooded juveniles for full development

Zoology

Both sea star species in this study are brooders from the South Atlantic. Anasterias antarctica displays a complex reproductive cycle invol...

Review:

This study offers a compelling comparative analysis of two distinct brooding strategies in South Atlantic sea stars, *Anasterias antarctica* (oral bro...

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Analía Pérez, Cintia Fraysse, Malena Pfoh, Claudia Boy

Development patterns and oxidative metabolismof antarctic sea stars

Zoology

Sea stars exhibit different development patterns that comprise indirect and direct development, including pelagic or benthic larvae, and pl...

Review:

This manuscript presents a fascinating investigation into the interplay between diverse reproductive strategies and oxidative metabolism in Antarctic...

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Gabriel Mario Martin

A chronology of the genus Thylamys (Didelphidae, Thylamyini), with emphasis in the forms occurring in Argentina

Zoology

The genus Thylamys includes several species of small mouse opossums living predominantly in arid and semi-arid regions of South America. In...

Review:

This manuscript provides a timely and much-needed comprehensive review of the genus *Thylamys*, with a specific focus on the complex taxonomic landsca...

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Maximiliano Fabianelli, Rubén Darío Juárez Valieri, Rafael Lindoso, Jorge Meso, Guillermo Salinas, José Haro, Albert Prieto-Marquez

Returning the dragon to its cave: the spinosaurid nature of the purported ornithopod materials from the ‘Middle’ Cretaceous Alcântara Formation, northeastern Brazil

Zoology

We have conducted a reassessment of dinosaur caudal vertebrae from the Cenomanian Alcântara Formation in the Maranhão State, northeastern B...

Review:

This paper presents a rigorous reassessment of dinosaur caudal vertebrae from the Cenomanian Alcântara Formation, northeastern Brazil, which have a co...

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Federico Agnolin, Matías Motta, Jordi García Marsá, Mauro Aranciaga Rolando, Gerardo Alvarez Herrera, Nicolás Chimento, Sebastián Rozadilla, Federico Brizzon-Egli, Mauricio Cerroni, Karen Panzeri, Sergio Bogan, Silvio Casadio, Juliana Sterli, Sergio Miquel, Sergio Martínez, Leandro Perez, Diego Pol, Fernando Novas

New fossiliferous locality from the Anacleto Formation (Late Cretaceous, Campanian) from northern Patagonia, with the description of a new titanosaur

Zoology

Resumen. En la presente contribución se describe una nueva asociación de vertebrados e invertebrados fósiles provenientes de una localidad...

Review:

This paper presents a significant paleontological discovery from a new fossiliferous locality within the Anacleto Formation (Late Cretaceous, Campania...

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Ivan L.F. Magalhaes, Damián Hagopián, Álvaro Laborda, Alda González, Cristina Luisa Scioscia

Pikelinia schiapelliae, una nueva especie de araña de arenales de Argentina y Uruguay (Araneae: Filistatidae)

Zoology

El género Pikelinia es el principal representante de la familia de arañas Filistatidae en Sudamérica, con 19 especies nombradas. Sin embarg...

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Sergio Bogan, Yamila Paula Cardoso, Juan José Rosso, Juan Martín Díaz de Astarloa

New species of the highly diversified Hoplias malabaricus group (Characiformes, Erythrinidae) from La Plata Basin: Another brick in the wall

Zoology

With 13 species, the genus Hoplias contains more than 75% of the diversity of the family Erythrinidae. However, cytogenetic and molecular s...

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This manuscript presents the description of a new species belonging to the highly diversified *Hoplias malabaricus* group, addressing a significant ch...

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Ivory Jorgenson

Gonadal Development, Social Structure, and Implications of Protandry by Aggressive Dominance in Amphiprion Anemonefish

Zoology

Anemonefish of the genus Amphiprion have developed a mating system involving protandrous sequential hermaphroditism, wherein male sexual maturation oc...

Review:

This review article promises a timely and comprehensive synthesis of the fascinating protandrous sequential hermaphroditism exhibited by *Amphiprion*...

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Zahwa Adela Aditya, Nova Hariani, Fatmawati Patang

KEANEKARAGAMAN LABA-LABA (ARANEAE) DI KAWASAN RUANG TERBUKA HIJAU KAMPUS UNIVERSITAS MULAWARMAN, SAMARINDA, KALIMANTAN TIMUR

Zoology

Indonesia merupakan negara megadiversitas dengan keanekaragaman hayati fauna dan flora yang tinggi.  Universitas Mulawarman di Kaliman...

Review:

Penelitian ini menyelidiki keanekaragaman laba-laba (Araneae) di Ruang Terbuka Hijau (RTH) Kampus Universitas Mulawarman, Samarinda, Kalimantan Timur....

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