Epitonium dendrophylliae (Gastropoda: Epitoniidae) feeding on Astroides calycularis (Anthozoa, Scleractinia)

Paleoecological reconstructions of past climate are often based on a single taxonomic group with a consistent presence. Less is known about the relationship between multi-taxon community-wide change and climate variability. Here we reconstruct paleoecological change in a Late Quaternary (16.1-3.4 ka) sediment core from the California margin (418 meters below sea level) of Santa Barbara Basin (SBB), USA, using Mollusca (Animalia) and Foraminifera (Rhizaria) microfossils. Building upon previous investigations, we use multivariate ordination and cluster analyses to interpret community-scale changes in these distinctly different taxonomic groups across discrete climate episodes. The strongest differences between seafloor biological communities occurred between glacial (prior to Termination IA, 14.7 ka) and interglacial climate episodes. Holocene communities were well partitioned, indicating that sub-millennial oceanographic variability was recorded by these microfossils. We document strong evidence of chemosynthetic trophic webs and sulfidic environments (from gastropod Alia permodesta and bivalve Lucinoma aequizonata), which characterized restricted intervals previously interpreted as well oxygenated (such as the Pre-Bølling Warming). Mollusc records indicate first-order trophic energetic shifts between detrital and chemosynthetically-fixed carbon. Molluscs associated with widely different physiological preferences occur here within single, decadal intervals of sediment, and as such mollusc assemblages may reflect significant inter-decadal oceanographic variability. Foraminifera assemblages provide exceptional records of the sequential, chronological progression of the deglacial climatic and oceanographic events, whereas mollusc assemblages reflect non-chronological similarities in reoccurring communities.Foraminifera taxa that drive community similarity here are also independently recognized

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“…[O2]>0.5 ml L -1 (Zamorano et al 2007). Rhabdidae (Chistikov, 1975) 22 Carnivore/Deposit (Langer et al 1995;Richter and Luque 2004).…”

Section: Omz Margin Associatedmentioning

confidence: 99%

Community benthic paleoecology from high-resolution climate records: Mollusca and foraminifera in post-glacial environments of the California margin

Myhre¹,

Kroeker

Hill

et al. 2017

Quaternary Science Reviews

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“…Although there have been studies regarding species associated with scleractinian corals in the Mediterranean Sea (Koukouras et al 1998, Castellanos et al 2003, Richter & Luque 2004, Conradi et al 2006, Taviani et al 2009, Antoniadou & Chintiroglou 2010, these studies have contributed little towards our knowledge of the associated communities' spatio-temporal patterns. This is the first spatio-temporal study concerning the entire macro invertebrate community associated with Astroides calycularis (Scleractinian; Dendrophyllidae).…”

Section: Discussionmentioning

confidence: 99%

“…Taking this into account, the molluscs, echinoderms, platyhelminths and cnidarians found associated with A. calycularis might use the coral skeleton as a refuge against potential predators, although these groups are less abundant. Richter & Luque (2004) observed Epitoniem dendrophylliae (Gastropoda: Mollusca) feeding on A. calycularis. However, this taxon is a rare species in shallow waters (Gofas et al 2011), and consequently E. dendrophylliae did not appear in the present study, where depth ranged from 0 to 10 m.…”

Section: Associated Faunamentioning

confidence: 99%

Spatio-temporal macrofaunal assemblages associated with the endangered orange coral Astroides calycularis (Scleractinia: Dendrophylliidae)

Terrón-Sigler¹,

Peñalver-Duque²,

León-Muez³

et al. 2014

quat. Biol.

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The orange coral Astroides calycularis is internationally protected due to its narrow distribution, its sensitivity to environmental changes and anthropogenic disturbance. Spatio-temporal macrofaunal assemblages associated with A. calycularis were studied along the southern coast of the Iberian Peninsula. A total of 878 invertebrate specimens were collected, comprising 81 species. At the 3 depths studied (0, 5 and 10 m), crustacean species were dominant in terms of abundance, followed by annelids and molluscs. Macrofaunal densities were higher in October and May, and lower in August and September. Janira maculosa (isopod), Lembos spp. (gammarid) and Stenothoe cavimana (gammarid) were the most abundant species, present in almost all depths and months. ANOVA analyses by month reflected significant differences in species richness and Shannon-Wiener diversity, but no differences among depth ranges and no interaction between time and depth. PERMANOVA analyses showed significant differences in the associated macrofauna for time and depth, but no interaction was observed between these factors. These results indicate the ecological relevance of this Mediterranean scleractinian coral as a habitat for many macrofaunal groups. Furthermore, the conservation of this endangered species contributes to the preservation of high marine biodiversity.

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“…It widely distributes in the Indo-Pacific region. It is a common species that can be found in the northwest Pacific Ocean (Richter and Luque 2004). The length of adult shells is between 25 mm and 72 mm (Dance 2010).…”

Section: Epitonium Scalare; Mitochondrial Genome; Illumina Sequencingmentioning

confidence: 99%

“…Compared other same genera, the species E. scalare is very attractive with their quite interesting structure, which the whorls of E. scalare are mutual independence and the shell only uses the ribs to hold together (Bouchet et al 2017). Its beautiful shell makes many people would like to use them as the ornamentation (Richter and Luque 2004). However, the Epitonidae taxonomy is chaotic and the genetic information of E. scalare is not clear.…”

Section: Epitonium Scalare; Mitochondrial Genome; Illumina Sequencingmentioning

confidence: 99%

The complete mitochondrial genome and phylogenetic analysis of Epitonium scalare (Gastropoda, Epitoniidae)

Guo

Jiao

et al. 2019

Mitochondrial DNA Part B

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The complete mitochondrial genome of the Epitonium scalare has been determined in this study. The complete genome (mtDNA) is 15,140 base pairs (bp) in length and contained of 13 protein-coding genes, two rRNA genes, and 22 tRNA genes. The control region was divided into two parts. The overall base composition of the genome in descending order was 41.1%-T, 28.3%-A, 19.2%-G, and 11.4%-C. In 13 protein-coding genes, COX3, atp6, and nad1 start with ATA. For the stop codon, 11 genes with TAA, COX3, and nad3 end with TAG. Phylogenetic analysis indicated that E. scalare is not closely to any other families and separate into a single branch. This study was the first study that determined the complete mitochondrial genome of Epitonidae species. It would be a supplement for the genetic analysis of E. scalare and promote the phylogenetic of Epitonidae. ARTICLE HISTORY

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Epitonium dendrophylliae (Gastropoda: Epitoniidae) feeding on Astroides calycularis (Anthozoa, Scleractinia)

Cited by 9 publications

References 6 publications

Community benthic paleoecology from high-resolution climate records: Mollusca and foraminifera in post-glacial environments of the California margin

Community benthic paleoecology from high-resolution climate records: Mollusca and foraminifera in post-glacial environments of the California margin

Spatio-temporal macrofaunal assemblages associated with the endangered orange coral Astroides calycularis (Scleractinia: Dendrophylliidae)

The complete mitochondrial genome and phylogenetic analysis of Epitonium scalare (Gastropoda, Epitoniidae)

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