Thalassinidea

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Thalassinidea

[thə‚las·ə′nid·ē·ə]
(invertebrate zoology)
The mud shrimps, a group of thin-shelled, burrowing decapod crustaceans belonging to the Macrura; individuals have large chelate or subchelate first pereiopods, and no chelae on the third pereiopods.
References in periodicals archive ?
Many of the organic-rich intervals show a multi-episodic origin, indicated by the presence of more calcareous horizons and surfaces which were colonized mainly by Chondrites, Thalassinoides and Phymatoderma.
The Thalassinoides ichnocoenosis of Pickerill and Donovan (1991; see also Pickerill et al.
Sobre la superior y cerca del tope del miembro, se encuentran abundantes trazas fosiles del icnogenero Thalassinoides, sugieren un ambiente sedimentario neritico (Fig.
This is the first fossil crab so far known from Upper Cretaceous Maastrichtian of Cuba, (RojasConsuegra, 2009); nevertheless, gallery systems attributed to crab excavation activity in the icnogenus Thalassinoides have been studied (Pszczolkowski, 2002).
Fe-oxide spherules infilling Thalassinoides burrows at the Cretaceous-Paleogene (K-P) boundary: Evidence of a near-contemporaneous macrobenthic colonization during the K-P event.
En las dos primeras capas de caliza el grado de bioturbacion es alto, presentandose thalassinoides en la base de las capas.
Thalassinoides was one of the earliest burrows to form, as evidenced by its reworking by other trace fossils.
In the east of the study area ichnofossils of Thalassinoides suevicus are observed in the thin sandy layers interspersed in the marls.
Paguey, muy cercano al contacto formacional, la presencia de abundantes trazas fosiles del icnogenero Thalassinoides (Fig.