Thomas M. Iliffe

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Diversity and evolution of the stygobitic Speleonerilla nom. nov. (Nerillidae, Annelida) with description of three new species from anchialine caves in the Caribbean and Lanzarote

Katrine Worsaae, Brett C. Gonzalez, Alexandra Kerbl, Sofie Holdflod Nielsen, more

Marine Biodiversity > 2019 > 49 > 5 > 2167-2192

Anchialine caves have revealed a variety of highly adapted animals including several records of nerillid annelids. However, only one stygobitic lineage, Speleonerilla nom. nov. (previously known as Longipalpa), seems obligate to this environment. We here provide new information on this lineage including the description of three new species, two new records, and the first phylogeny of the genus. All...

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Phylogeny and systematics of Aphroditiformia

Brett C. Gonzalez, Alejandro Martínez, Elizabeth Borda, Thomas M. Iliffe, more

Cladistics > 34 > 3 > 225 - 259

Aphroditiformia represents one of the most successful radiations of annelids, and is therefore an interesting model to understand morphological and functional evolution. Previous phylogenetic analyses yielded most families as monophyletic but excluded anchialine and interstitial species while failing to recover relationships within Sigalionidae. Here we address these shortcomings through the analysis...

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Genetic spatial structure of an anchialine cave annelid indicates connectivity within - but not between - islands of the Great Bahama Bank

Brett C. Gonzalez, Alejandro Martínez, Elizabeth Borda, Thomas M. Iliffe, more

Molecular Phylogenetics and Evolution > 2017 > 109 > C > 259-270

Land-locked anchialine blue holes are karstic sinkholes and caves with tidally influenced, vertically stratified water bodies that harbor endemic fauna exhibiting variable troglomorphic features. These habitats represent island-like systems, which can serve to elucidate evolutionary and biogeographic processes at local scales. We investigated whether the ‘continuous spelean corridor’ hypothesis may...

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Evolution of cave suspension feeding in Protodrilidae (Annelida)

Alejandro Martínez, Kirsten Kvindebjerg, Thomas M. Iliffe, Katrine Worsaae

Zoologica Scripta > 46 > 2 > 214 - 226

Protodrilidae belongs in a lineage that until now entirely consisted of deposit‐feeding, highly adapted interstitial annelids. Except for a pair of anterior palps, all protodrilids lack appendages, parapodia and chaetae; and have slender bodies adapted to glide between the sand grains by ciliary motion. The first exception to these characteristics is Megadrilus pelagicus n. sp. inhabiting the water...

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Olfactory pathway in Xibalbanus tulumensis: remipedian hemiellipsoid body as homologue of hexapod mushroom body

Torben Stemme, Thomas M. Iliffe, Gerd Bicker

Cell and Tissue Research > 2016 > 363 > 3 > 635-648

The Remipedia have been proposed to be the crustacean sister group of the Hexapoda. These blind cave animals heavily rely on their chemical sense and are thus rewarding subjects for the analysis of olfactory pathways. The evolution of these pathways as a character for arthropod phylogeny has recently received increasing attention. Here, we investigate the situation in Xibalbanus tulumensis by focal...

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The brain in three crustaceans from cavernous darkness

Martin Ej Stegner, Torben Stemme, Thomas M Iliffe, Stefan Richter, more

BMC Neuroscience > 2015 > 16 > 1 > 1-29

Background While a number of neuroanatomical studies in other malacostracan taxa have recently contributed to the reconstruction of the malacostracan ground pattern, little is known about the nervous system in the three enigmatic blind groups of peracarids from relict habitats, Thermosbaenacea, Spelaeogriphacea, and Mictocarididae. This first detailed description of the brain in a representative...

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Conservation status of the inland aquatic crustaceans in the Yucatan Peninsula, Mexico: shortcomings of a protection strategy

Nancy F. Mercado‐Salas, Benjamín Morales‐Vela, Eduardo Suárez‐Morales, Thomas M. Iliffe

Aquatic Conservation: Marine and Freshwater Ecosystems > 23 > 6 > 939 - 951

The Yucatan Peninsula (YP), Mexico, is a large karstic Neotropical system hosting a highly diverse crustacean fauna related to epigean and subterranean aquatic habitats. There are more than 40 hypogean endemic species, thus qualifying as a subterranean biodiversity hotspot.In view of the relevance of both the YP karstic aquifer and its related crustacean fauna, the spatial distribution of 212 species...

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Historical biogeography and phylogeny of Typhlatya cave shrimps (Decapoda: Atyidae) based on mitochondrial and nuclear data

Alejandro Botello, Thomas M. Iliffe, Fernando Alvarez, Carlos Juan, more

Journal of Biogeography > 40 > 3 > 594 - 607

AimOur aim was to produce a dated phylogeny of Typhlatya, a stygobiont shrimp genus with an extremely disjunct localized distribution across the Mediterranean, the central Atlantic and eastern Pacific. Using phylogenetic analyses, we examine the role of dispersal and plate tectonics in determining its distribution. LocationWestern Mediterranean, Ascension Island, Bermuda, Bahamas, Yucatán, Caribbean,...

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Ovary structure and early oogenesis in the remipede, Godzilliognomus frondosus (Crustacea, Remipedia): phylogenetic implications

Janusz Kubrakiewicz, Mariusz K. Jaglarz, Thomas M. Iliffe, Szczepan M. Bilinski, more

Zoology > 2012 > 115 > 4 > 261-269

Remipedia are enigmatic crustaceans of uncertain phylogenetic position with the general consensus that they are crucial for understanding the crustacean/arthropod evolution. It has been demonstrated previously that the features of the ovary organization and subcellular aspects of oogenesis are useful in resolving phylogenetic relationships in arthropods such as hexapods and onychophorans. The structure...

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Drawn to the dark side: A molecular phylogeny of freshwater shrimps (Crustacea: Decapoda: Caridea: Atyidae) reveals frequent cave invasions and challenges current taxonomic hypotheses

Kristina von Rintelen, Timothy J. Page, Yixiong Cai, Kevin Roe, more

Molecular Phylogenetics and Evolution > 2012 > 63 > 1 > 82-96

Atyid freshwater shrimps are globally distributed and form an important part of freshwater ecosystems, particularly in the tropics and subtropics. Despite their widespread distribution and ecological importance, their phylogenetic relationships are largely unresolved. Here we present the first comprehensive molecular phylogeny of the Atyidae investigating the evolutionary relationships among 32 of...

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Ecological physiology of the anchialine shrimp Barbouria cubensis: a comparison of epigean and hypogean populations

Renee E. Bishop, Thomas M. Iliffe

Marine Biodiversity > 2012 > 42 > 3 > 303-310

Stygobites have morphological, ethological and physiological adaptations for their subterranean existence. Included in the physiological adaptations of hypogean organisms is a reduced metabolism with respect to related epigean organisms. Our objectives were to examine the physiological adaptations of the shrimp, Barbouria cubensis, to the anchialine environment through the use of energetics. Barbouria cubensis...

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Microbial hotspots in anchialine blue holes: initial discoveries from the Bahamas

Brett C. Gonzalez, Thomas M. Iliffe, Jennifer L. Macalady, Irene Schaperdoth, more

Hydrobiologia > 2011 > 677 > 1 > 149-156

Inland blue holes of the Bahamas are anchialine ecosystems with distinct fresh and salt water layers, and anoxic or microoxic conditions at depth. Scientific cave diving and geomicrobiology exploration of blue holes are providing a first glimpse of the geochemistry and microbial life in these vertically stratified karst features. We hypothesized that two geographically adjacent, sunlit blue holes...

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Search for Bermuda’s deep water caves

Thomas M. Iliffe, Rikk Kvitek, Steve Blasco, Katie Blasco, more

Hydrobiologia > 2011 > 677 > 1 > 157-168

The mid-Atlantic islands of Bermuda harbor one of the richest and most diverse anchialine communities known from anywhere on Earth. However, all known anchialine caves in Bermuda (maximum depth—26 m) were dry during the last glacial period extending from approximately 9,000 to 115,000 years ago when glacial sea levels were as much as 127 m lower. Since it is highly unlikely that Bermuda’s endemic...

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Cryptocorynetes elmorei, a new species of Remipedia (Crustacea) from an anchialine cave on Eleuthera, Bahamas

Dennis Hazerli, Stefan Koenemann, Thomas M. Iliffe

Marine Biodiversity > 2010 > 40 > 2 > 71-78

We describe a new species of the crustacean class Remipedia based on three specimens collected from an anchialine cave on Eleuthera, an island of the Bahamian archipelago. Cryptocorynetes elmorei n. sp. is distinguished from the other two currently known species of the genus particularly by its extremely long maxillipeds bearing a relatively small terminal claw, the absence of discoid organs on the...

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The post-embryonic development of Remipedia (Crustacea)—additional results and new insights

Stefan Koenemann, Jørgen Olesen, Frederike Alwes, Thomas M. Iliffe, more

Development Genes and Evolution > 2009 > 219 > 3 > 131-145

The post-embryonic development of a species of the enigmatic crustacean group Remipedia is described in detail for the first time under various aspects. Applying a molecular approach, we can clearly prove the species identity of the larvae as belonging to Pleomothra apletocheles. We document the cellular level of several larval stages and the differentiation of segments, limbs, and the general body...

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The post-embryonic development of Remipedia (Crustacea)—additional results and new insights

Stefan Koenemann, Jørgen Olesen, Frederike Alwes, Thomas M. Iliffe, more

Development Genes and Evolution > 2009 > 219 > 4 > 217-217

The online version of the original article can be found at http://dx.doi.org/10.1007/s00427-009-0273-0 .

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The Corona lava tube, Lanzarote: geology, habitat diversity and biogeography

Horst Wilkens, Thomas M. Iliffe, Pedro Oromí, Alejandro Martínez, more

Marine Biodiversity > 2009 > 39 > 3 > 155-167

The Corona lava tube on the Canarian island of Lanzarote is a unique subterranean ecosystem comprising both dry and submerged cave sections with a total length of almost 8 km. Here, we present the results of a diving exploration of the lava tube that took place from 11 to 25 March 2008. Environmental characteristics are given for ecologically disparate sections of the cave, including the Cueva de...

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A new, disjunct species of Speleonectes (Remipedia, Crustacea) from the Canary Islands

Stefan Koenemann, Armin Bloechl, Alejandro Martínez, Thomas M. Iliffe, more

Marine Biodiversity > 2009 > 39 > 3 > 215-225

We describe Speleonectes atlantida n. sp. as the third species of Remipedia that was found outside the main distribution area of this group in the Caribbean region. S. atlantida was collected by cave divers equipped with closed circuit rebreathers from the far interior of the Túnel de la Atlántida, an anchialine volcanic lava tube, on the Canarian island of Lanzarote. The new species occurs in sympatry...

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Metabolic rates of stygobiontic invertebrates from the Túnel de la Atlántida, Lanzarote

Renée E. Bishop, Thomas M. Iliffe

Marine Biodiversity > 2009 > 39 > 3 > 189-194

Numerous studies have shown that hypogean organisms have a reduced metabolism when compared with their epigean counterparts. Although the cause of this metabolic cave adaptation is still uncertain, a current theory holds that it results from a reduced oxygen environment. This study examines the metabolism of specimens collected from the Túnel de la Atlántida, Lanzarote, Canary Islands, the completely...

article

The Atlántida 2008 Cave Diving Expedition

Stefan Koenemann, Thomas M. Iliffe

Marine Biodiversity > 2009 > 39 > 3 > 153-153

INFONA - science communication portal

Search results for: Thomas M. Iliffe

Diversity and evolution of the stygobitic Speleonerilla nom. nov. (Nerillidae, Annelida) with description of three new species from anchialine caves in the Caribbean and Lanzarote

Phylogeny and systematics of Aphroditiformia

Genetic spatial structure of an anchialine cave annelid indicates connectivity within - but not between - islands of the Great Bahama Bank

Evolution of cave suspension feeding in Protodrilidae (Annelida)

Olfactory pathway in Xibalbanus tulumensis: remipedian hemiellipsoid body as homologue of hexapod mushroom body

The brain in three crustaceans from cavernous darkness

Conservation status of the inland aquatic crustaceans in the Yucatan Peninsula, Mexico: shortcomings of a protection strategy

Historical biogeography and phylogeny of Typhlatya cave shrimps (Decapoda: Atyidae) based on mitochondrial and nuclear data

Ovary structure and early oogenesis in the remipede, Godzilliognomus frondosus (Crustacea, Remipedia): phylogenetic implications

Drawn to the dark side: A molecular phylogeny of freshwater shrimps (Crustacea: Decapoda: Caridea: Atyidae) reveals frequent cave invasions and challenges current taxonomic hypotheses

Ecological physiology of the anchialine shrimp Barbouria cubensis: a comparison of epigean and hypogean populations

Microbial hotspots in anchialine blue holes: initial discoveries from the Bahamas

Search for Bermuda’s deep water caves

Cryptocorynetes elmorei, a new species of Remipedia (Crustacea) from an anchialine cave on Eleuthera, Bahamas

The post-embryonic development of Remipedia (Crustacea)—additional results and new insights

The post-embryonic development of Remipedia (Crustacea)—additional results and new insights

The Corona lava tube, Lanzarote: geology, habitat diversity and biogeography

A new, disjunct species of Speleonectes (Remipedia, Crustacea) from the Canary Islands

Metabolic rates of stygobiontic invertebrates from the Túnel de la Atlántida, Lanzarote

The Atlántida 2008 Cave Diving Expedition

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