Results 1 to 10 of about 85 (63)

Respuesta del carnívoro Plicopurpura pansa (mollusca: gastropoda) y el herbívoro Chiton articulatus (mollusca: polyplacophora) a factores ambientales en Acapulco, México [PDF]

open access: yesCienciaUAT, 2014
El gasterópodo Plicopurpura pansa y el poliplacóforo Chiton articulatus, cohabitan en la zona intermareal rocosa del Pacífico tropical Mexicano. Se ha reportado que P. pansa es un depredador de C. articulatus, y que ambas son especies abundantes y dominantes en la costa rocosa de Acapulco, Guerrero, México.
Sergio García-Ibáñez   +4 more
core   +4 more sources

Screwed up: Spirality of segments and other iterated structures suggest an underlying principle of seriality in bilaterians

open access: yesJournal of Morphology, Volume 282, Issue 6, Page 833-846, June 2021., 2021
Spiral segmentation or helicomery was first described in annelid and arthropod body segments. However, corresponding patterns occur in arthropod appendages and other bilaterians with serially arranged body parts, such as tapeworms, nematodes, vertebrates, and probably chitons.
Gerhard Scholtz
wiley   +1 more source

Biodiversidad de algas epizoicas en el Pacífico tropical mexicano

open access: yesActa Botanica Mexicana, 2020
Antecedentes y Objetivos: El conocimiento ficológico para la región del Pacífico mexicano es amplio, la mayoría de los estudios han estado orientados a conocer la flora adherida a sustratos rocosos.
Nataly Quiroz González   +3 more
doaj   +1 more source

Chiton articulatus and Chiton albolineatus preserved. [PDF]

open access: yes, 2013
Chiton articulatus (left) and Chiton albolineatus (right) preserved, showing some of the several sizes here studied.
Quetzalli Yasú Abadia-Chanona (440947)   +1 more
core   +1 more source

Allometric relationships during the early life of Chiton articulatus and Chiton albolineatus. [PDF]

open access: yes, 2013
Relationships between measurements (total weight “TW”, and total length “TL”) and body weight (BW) pooled for both sexes of Chiton articulatus (0.007 to 4.400 g BW) and Chiton albolineatus (0.004 to 3.632 g BW) during the range of early life here studied.
Quetzalli Yasú Abadia-Chanona (440947)   +1 more
core   +1 more source

Ontogenesis and maturity of gonads through the early life of Chiton articulatus and Chiton albolineatus. [PDF]

open access: yes, 2013
Relation among total length (mm) and the periods of the gonadal sac formation (Pw: without gonad, Pe: gonadal emergence, Pf: gonadal sac formed), and the stages of gonad development (S0: gametocytogenesis, S1: gametogenesis, and S2: mature) in males and ...
Quetzalli Yasú Abadia-Chanona (440947)   +1 more
core   +1 more source

Gametogenesis in a Chiton articulatus female. [PDF]

open access: yes, 2013
Composite digital image in frontal section of the anterior dorsal part of a Chiton articulatus female (2.469 g BW, 35 mm TL, and 22 mm TW) with the ovary in the gametogenesis stage (S1) showing asynchronous groups of oocytes, i.e., primary oocytes ...
Quetzalli Yasú Abadia-Chanona (440947)   +1 more
core   +1 more source

Chiton albolineatus Broderip and G. B. Sowerby I 1829 [PDF]

open access: yes, 2022
Chiton albolineatus Broderip and G.B. Sowerby I, 1829 Figures 2M, 10K–M, 11A–E Distribution. From Mazatlán, Sinaloa to Bahías de Huatulco, Oaxaca, México (Reyes-Gómez 2016). Type specimens. According to Bullock (1988), holotype in BMNH?
García-Ibañez, Sergio   +8 more
core   +1 more source

Early life stages for Chiton spp. [PDF]

open access: yes, 2013
Ranges in total length proposed to distinguish growth sequences or “early life stages” in the studied chitons, Chiton articulatus and Chiton albolineatus.
Quetzalli Yasú Abadia-Chanona (440947)   +1 more
core   +1 more source

FIGURE 20 in Intertidal chitons (Mollusca: Polyplacophora) from the rocky coastline of Guerrero, México, with the description of a new species [PDF]

open access: yes, 2022
FIGURE 20. Chiton articulatus, specimen BL 27 mm, El Faro, Mazatlán (CNMO 5661); shows the tegmentum color details A, head valve; B, intermediate valves III-V; C, tail valve.
García-Ibañez, Sergio   +8 more
core   +1 more source

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