Una especie nueva del género Monstrilla (Copepoda: Monstrilloida: Monstrillidae) del golfo de California, México
DOI:
https://doi.org/10.22201/ib.20078706e.2024.95.5361Palabras clave:
Copépodos parásitos, Taxonomía, Trineo colector, Zooplancton, MonstrílidosResumen
Con base en muestras biológicas de aguas profundas (700-750 m) obtenidas del sur del golfo de California, costa del Pacífico de México, se describe una especie nueva del género Monstrilla Dana, 1849 con base en una hembra preadulta recolectada con un trineo epibentónico. Monstrilla hendrickxi sp. n. se distingue por una combinación única de caracteres que incluyen: 1) ausencia de estructuras oculares; 2) anténulas robustas, con los segmentos 2-4 parcialmente fusionados; 3) anténula con elementos apicales muy desarrollados en el segmento 5 y procesos espiniformes en los segmentos 2-5; y 4) quinta pata bilobulada, lóbulo exopodal armado con 2 setas apicales, lóbulo endopodal digitiforme, desarmado. La nueva especie tiene afinidad con congéneres de superficie que tienen lóbulos exopodales armados con 2 setas. Este es el quinto registro de monstriloides en el golfo de California. El presente hallazgo aumenta significativamente nuestro conocimiento sobre el intervalo de hábitats de este orden de copépodos
y probablemente anticipa más descubrimientos interesantes de monstriloides en aguas profundas de todo el mundo.
Citas
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