Monstrilloids (Crustacea: Copepoda) from the Mediterranean Sea (Northern Adriatic Sea), with a description of six new species

Suárez‐Morales, Eduardo; Goruppi, Alenka; Olazabal, Alessandra de; Tirelli, Valentina

doi:10.1080/00222933.2017.1359698

Cited by 7 publications

(6 citation statements)

References 29 publications

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“…The species of Cymbasoma, for instance, have been distinguished from the other monstrilloid genera based almost on this criterion alone [38][39][40]. A review of the most recent 20 years of taxonomic works dealing with over 40 species of Cymbasoma (more than half of the total species recorded in this genus) shows that authors continue to use this feature as the primary feature for generic assignment [20,22,[41][42][43][44][45][46]. In light of this history, the even lower number of urosomal somites in the present specimens may provide grounds for proposing a new genus of Monstrilloida.…”

Section: Discussionmentioning

confidence: 99%

A New Species of Monstrillopsis Sars, 1921 (Copepoda: Monstrilloida) with an Unusually Reduced Urosome

et al. 2019

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Male monstrilloid copepods, described herein as Monstrillopsis paradoxa sp. nov., were collected from the Chuja Islands, Jeju, Korea, using a light trap. They display many of the common features of Monstrillopsis, including large, prominent eyes, an anteriorly positioned oral papilla, and four setae on each caudal ramus. Type-2 modification of the antennules further supports the assignment of the new species to Monstrillopsis. However, the present specimens have an unusually low number of urosomal somites, just three in total, compared to five in males of all congeneric species, and from four (in Cymbasoma) to five in males of all other monstrilloid genera. Up until now, in the Monstrilloida only females of Cymbasoma have been known to have as few as three urosomal somites.

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Section: Discussionmentioning

confidence: 99%

A New Species of Monstrillopsis Sars, 1921 (Copepoda: Monstrilloida) with an Unusually Reduced Urosome

et al. 2019

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“…The most up-to-date regional list [5] contains 28 nominal species in two genera. It partly reflects recent revisionary work conducted in accordance with current taxonomic and nomenclatural standards [11,[21][22][23][24][25][26][27][28], but other records must still be reexamined. Here, we present an historical overview of monstrilloid studies in the MBS, comment on certain aspects of the reported diversity there, and provide a revised and updated regional checklist with annotations.…”

Section: Introductionmentioning

confidence: 85%

“…Cymbasoma tumorifrons was also redescribed [22,24] based on original material from the island of Chios, Greece, and a newly caught female from Toulon Bay, while C. nicolettae was described from Toulon Bay [24]. Later, while studying monstrilloids from the Gulf of Trieste in the northern Adriatic Sea, females of C. tumorifrons from Greece and Toulon were reassigned to the new species C. mediterraneum, described from Trieste [28]. This was one of six new species from the Gulf of Trieste, five of Cymbasoma plus M. ghirardellii, that were described in the same work (see Table 1; another species remains undescribed), and the paper also reported very high local abundances of M. grandis.…”

Section: Mbs Monstrilloid Diversity Historical Accountmentioning

confidence: 99%

“…Suárez-Morales (2006) [25] noted several differences between MBS C. rigidum and other European and Asian sites. [49] early record of C. rigidum from the Gulf of Trieste might actually pertain to either C. tergestinum or C. specchi, which were later described from that region [28]. In the Black Sea, M. ostroumowi has been recognized as a synonym of C. rigidum (e.g., [48]) but may possibly be a Black Sea or MBS endemic.…”

Section: Cymbasoma Rigidum Species-groupmentioning

confidence: 99%

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Mediterranean and Black Sea Monstrilloid Copepods (Copepoda: Monstrilloida): Rediscovering the Diversity of Transient Zooplankters

Suárez‐Morales

Grygier

2021

Water

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Monstrilloids are copepods that live freely in plankton without feeding but have parasitic immature stages that develop within infected benthic molluscs and polychaetes. Because of their incompletely known life cycles and the difficulty of matching conspecific males and females, it has been difficult to assess their true diversity anywhere on earth. The monstrilloid fauna of the Mediterranean and Black seas (MBS) has been investigated for over 140 years, during which time four phases of study can be recognized. The initial list of MBS monstrilloids recorded during the first phase (1877–1893) grew only slowly for decades afterwards during the second phase (1895–1952) because of patchy sampling and a dearth of formal taxonomic descriptions. The third phase (1957–1986) featured little new work at all. During the most recent fourth phase since 1992, a reappraisal with heed to nomenclatural rules and upgraded descriptive standards has led to the realization that many nominal species of MBS monstrilloids are invalid or doubtful. Furthermore, some that have been frequently recorded, such as Monstrilla grandis, Cymbasoma longispinosum, and C. rigidum, may actually be undescribed representatives of widespread species groups. We provide an updated annotated checklist of MBS monstrilloids that includes 21 supposedly valid nominal species or species-groups. This rather high regional diversity will likely grow if future zooplankton surveys in the highly heterogeneous and extensive coastal systems of the MBS pay due attention to this intriguing group of copepods.

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“…The use of molecular markers is likely to be far the most effective and definitive method for matching male monstrilloids to their corresponding females ( Suárez-Morales, 2011 ; Suárez-Morales et al, 2017 ). With the great advances in molecular technology over the past several decades, much nucleotide sequence data have become available and also been practically applied to various purposes such as DNA-based taxonomy and DNA barcoding ( Vogler & Monaghan, 2007 ; Blanco-Bercial et al, 2014 ).…”

Section: Introductionmentioning

confidence: 99%

First use of molecular evidence to match sexes in the Monstrilloida (Crustacea: Copepoda), and taxonomic implications of the newly recognized and described, partlyMaemonstrilla-like females ofMonstrillopsis longilobataLee, Kim & Chang, 2016

Jeon

Lim

Lee

et al. 2018

PeerJ

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Two forms of the monstrilloid copepod, one represented by males, the other by females, were dominant among the monstrilloids collected while sampling zooplankton with a light trap in southern coastal waters of Korea. Morphological examination revealed that the males are conspecific with the previously reported and rather specialized Korean species Monstrillopsis longilobata Lee, Kim & Chang, 2016, hitherto known only from males that have extremely long genital lappets. The females also show several diagnostic features of Monstrillopsis, such as prominent eyes, bilobed fifth legs with the inner lobe unarmed and reduced, and four urosomal somites. In addition, though, these females are extraordinary among all Monstrilloida in that their ovigerous spines are directed ventrally, not posteriorly as in most species or anteriorly as in those assigned to Maemonstrilla. Genetic divergence analyses based on partial mitochondrial cytochrome c oxidase subunit I, complete Internal Transcribed Spacer 1 (ITS1)–5.8S–ITS2, and partial 28S rRNA revealed little or no genetic divergence between the present males and females, thus demonstrating that they are mutually conspecific. The present report (1) provides the first morphological description of female M. longilobata with the proposal of a revised nomenclature for antennular setal armament; (2) presents the molecular evidence for conspecificity of the males and females; and (3) lists several morphological characteristics that are sexually dimorphic in this species, and thus likely also in other monstrilloids. Matters bearing on the validity of the genera Haemocera, Monstrillopsis, and Maemonstrilla are discussed.

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Monstrilloids (Crustacea: Copepoda) from the Mediterranean Sea (Northern Adriatic Sea), with a description of six new species

Cited by 7 publications

References 29 publications

A New Species of Monstrillopsis Sars, 1921 (Copepoda: Monstrilloida) with an Unusually Reduced Urosome

A New Species of Monstrillopsis Sars, 1921 (Copepoda: Monstrilloida) with an Unusually Reduced Urosome

Mediterranean and Black Sea Monstrilloid Copepods (Copepoda: Monstrilloida): Rediscovering the Diversity of Transient Zooplankters

First use of molecular evidence to match sexes in the Monstrilloida (Crustacea: Copepoda), and taxonomic implications of the newly recognized and described, partlyMaemonstrilla-like females ofMonstrillopsis longilobataLee, Kim & Chang, 2016

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