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- Title
Biogenic Sedimentary Structures Produced by Architectonica laevigata (Gastropod: Architectonicidae), Mandvi Intertidal Zone, Gulf of Kachchh, Western India.
- Authors
Desai, Bhawanisingh G.
- Abstract
Biogenic structures of Architectonica laevigata (Gastropod: Architectonicidae) were studied along the lagoon of the Modwa spit area, Mandvi, Gulf of Kachchh. The traces are bilobed in cross-section, forming complex meandering trails, while their burrows are closely packed small holes about 1-2 mm in diameter. The traces are produced during low tides and are concentrated in specific areas within the intertidal zone, and also show substrate preference. These traces and burrows are intimately associated with each other, which reflect their behaviour modification to avoid steep thermal gradients and desiccation stress during low tide conditions in the lagoon and intertidal area. Similar traces are comparable with the ichnogenera Gyrochorte and Scolicia, which are abundant from Precambrian times to recent. Such traces, if preserved, serve as a good indicator for paleo-environmental conditions.
- Subjects
GASTROPODA; LAGOONS; INTERTIDAL ecology; PRECAMBRIAN paleoclimatology; BEHAVIOR modification
- Publication
Earth Science India, 2010, Vol 3, Issue 4, p242
- ISSN
0974-8350
- Publication type
Article