Morfometría de los equinodeos de la Familia Cassidulidae (Echinoidea: Cassiduloida)
Por:
Martinez-Melo, Alejandra, De Luna, Efrain, Buitron-Sanchez, Blanca Estela
Publicada:
1 nov 2017
Categoría:
Agricultural and biological sciences (miscellaneous)
Resumen:
Cassidulidae is the type family of the order Cassiduloida, and contains five genera whose morphology has complicated their taxonomic study: Australanthus, Cassidulus, Eurhodia, Paralampas, and Rhyncholampas. Many authors have applied traditional morphometric analysis (mainly length, width, and height) with varying success. We present the first approach with geometric morphometrics (three outlines: aboral, left, and posterior). Genera Eurhodia and Paralampas are more varied than the others. For future studies, we recommend larger samples, and the inclusion of size and qualitative characters such as the ambulacra and peristome. © 2017, Universidad de Costa Rica. All rights reserved.
Filiaciones:
Martinez-Melo, Alejandra:
Departamento de Paleontología, Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Delegación Coyoacán CDMEX, Mexico
Univ Nacl Autonoma Mexico, Inst Geol, Dept Paleontol, Ciudad Univ, Mexico City 04510, DF, Mexico
De Luna, Efrain:
Instituto de Ecología, INECOL, Instituto de Ecología, A.C. (INECOL), Carretera Antigua a Coatepec No. 351, Col. El Haya. C.P, Xalapa, Veracruz, Mexico
INECOL, Inst Ecol, AC, Carretera Antigua Coatepec 351,Col El Haya, Xalapa 91070, Veracruz, Mexico
Buitron-Sanchez, Blanca Estela:
Departamento de Paleontología, Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Delegación Coyoacán CDMEX, Mexico
Univ Nacl Autonoma Mexico, Inst Geol, Dept Paleontol, Ciudad Univ, Mexico City 04510, DF, Mexico
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