scholarly journals New perspectives on the evolution of the genus Typhlatya (Crustacea, Decapoda): first record of a cavernicolous atyid in the Iberian Peninsula, Typhlatya miravetensis n. sp.

1995 ◽  
Vol 65 (2) ◽  
pp. 79-99
Author(s):  
Sebastián Sanz ◽  
Dirk Platvoet

On several occasions, shrimps belonging to a new species of the genus Typhlatya were collected in a cave in the province of Castellón, Spain. This is the first record of the genus in the Iberian Peninsula. The species is described and the validity, distribution, and zoogeography of the genus, as well as the status of the genus Spelaeocaris, are discussed. Former models for the evolution of the genus Typhlatya and its genus group are reviewed, as well as the system of inner classification of the Atyidae and its biogeographical meaning. For the age and evolution of the genus we developed a new model based on vicariance principles that involves further evolution of each species after the disruption of the ancestral range. This allows new estimations for the age of the genus. Accordingly, we suppose that other proposals, such as recent dispersal through the sea, should be disregarded for this genus. The evolutionary development of this species is discussed in the context of the geological history of the area and the world distribution of the genus, the genus group, and the family.

Author(s):  
Pablo Hernández-Alcántara ◽  
Vivianne Solís-Weiss

The small, monogeneric family of polychaetes known as Trochochaetidae has been exclusively collected in the northern hemisphere, mainly in temperate–cold environments. Nine species have been described so far including Trochochaeta mexicana sp. nov. described herein, while one species remains unnamed. Only two species had previously been recorded in the eastern Pacific, so T. mexicana sp. nov. is the first record for the family in the tropical Mexican Biogeographic Province. The new species is characterized by having a pair of eyes, acicular neurochaetae on chaetigers 2 and 3, a small knob-like antenna and a nuchal crest projecting through chaetiger 1. Trochochaeta mexicana sp. nov., together with Trochochaeta kirkegaardi, Trochochaeta diverapoda and Trochochaeta cirrifera are the only trochochaetids that have been found exclusively in warm environments.


2001 ◽  
Vol 32 (2) ◽  
pp. 191-194 ◽  
Author(s):  
Jens-Wilhelm Janzen ◽  
Norman F. Johnson ◽  
Luciana Musetti

AbstractThe family Peradeniidae (Hymenoptera: Proctotrupoidea) is represented by two rare extant species from southeastern Australia (Australian Capital Territory, Victoria, Tasmania). A new species, Peradenia galerita sp. n., is described from Eocene Baltic amber. The fossil species is very similar to the living Perndenia, but has the short metasomatic petiole typical of most Proctotrupoidea. The subfamily classification of Heloridae proposed by Rasnitsyn and the status of Peradeniidae are briefly reviewed. The subfamily Mesohelorinae Rasnitsyn, 1990 is a junior synonym of Protohelorinae Rasnitsyn, 1980 (syn. n.).


Zootaxa ◽  
2021 ◽  
Vol 4990 (3) ◽  
pp. 401-453
Author(s):  
STEPHEN J. MAXWELL ◽  
TASMIN L. RYMER ◽  
BRADLEY C. CONGDON

This revision demonstrates that an integrated taxonomic approach to classical taxonomic practice can lead to increased internal cladistic resolution within a clade, including the recognition of new taxa at all nomenclatural levels. In particular, this revision has two aims: 1) to complete an α-taxonomic revision of Seraphsidae (Stromboidea); and 2) to resolve the infrafamilial relationships within Seraphsidae using morphological cladistics. An annotated synonymy was generated for each taxon, the precedence of names determined, and revised descriptions formulated. Character sets that reflect the synapomorphies within the major subclades of Seraphsidae were coded and a cladogram generated using maximum likelihood within the tnt program with default settings. Four forms of material and evidence were used in this systematic review: 1) the type material for each taxon; 2) non-type physical material; 3) published images; and 4) literary references for specimen localities without illustration. The current morphologically-based classification of Seraphsidae was found to be sound in terms of current species delimitations. Regardless of this, the use of an integrated taxonomy improved understanding of the internal cladistic relationships within Seraphsidae, which led to higher resolution of the internal cladistic arrangements and taxonomic delimitation. Furthermore, this increased resolution is now reflected in the family nomenclature. Two new subfamilies are proposed, Seraphsinae and Pseudoterebellinae, which are used to distinguish the two clades within Seraphsidae based on form: members of Seraphsinae are involute, while members of Pseudoterebellinae are evolute. Pseudoterebellum is proposed as a new genus to show the discontinuity in the fossil record and highlight the structural differences between it and Terebellum. A new species from Jamaica, Seraphs kaindraperi, is described, being the first record from that location and that geological period and is morphologically distinct from other described taxa. This revision included Mauryna within Seraphsidae on the grounds that it provides a basal link to the Seraphsidae sister taxa Semiterebellum and Terebellopsis, all of which are currently contained within Rostellariidae, and all three clades may in time be brought together under one family. All clades have been constructed to be in compliance with both the ICZN and PhyloCode. It was not possible within the context of this revision to test the results of the α-taxonomic findings against phylogenies generated with molecular data. This was due to the high number of extinct taxa within the Seraphsidae.  


Acarologia ◽  
2017 ◽  
Vol 57 (4) ◽  
pp. 731-745
Author(s):  
Parisa Lotfollahi ◽  
Enrico de Lillo

A survey of eriophyoid mites on ferns was carried out in the Arasbaran forests, East Azerbaijan province, Iran. A new species of the genus Leipothrix Keifer (Eriophyidae: Phyllocoptinae: Phyllocoptini) was collected on Polypodium vulgare L. (Polypodiaceae), named as L. pterisfolii, described and illustrated. It is the first record of a mite of the tribe Phyllocoptini on a Polypodiaceae plant. This mite species was found also on a plant of the family Cystopteridaceae, namely Gymnocarpium dryopteris (L.) Newman, and this is the first record of an eriophyoid mite associated with a plant of this family, too. In addition, it is the first report of a fern-inhabiting eriophyoid mite in Iran. A key to the eriophyoid mite species collected on ferns worldwide and a table summarizing information on their type host, type locality and habitus are provided.


Zootaxa ◽  
2018 ◽  
Vol 4450 (1) ◽  
pp. 108
Author(s):  
GÜNTER BECHLY

A new species of fossil dragonfly, Proinogomphus kreuzerorum sp. nov. (Liassogomphidae), is described from the Early Jurassic black shale of Bascharage in the Grand Duchy of Luxembourg, based on a very well-preserved isolated female hind wing. This genus was previously only known from the Liassic of Braunschweig region in Germany, and is here recorded for the first time for this fossil locality. The classification of the family Liassogomphidae Tillyard, 1935 and the genus Proinogomphus Cowley, 1942 is briefly discussed and the diagnosis of the latter is emended. 


PEDIATRICS ◽  
1993 ◽  
Vol 91 (1) ◽  
pp. 225-228
Author(s):  
Bettye M. Caldwell

In the world of day-care research, the status of our knowledge is sufficiently shaky that we must continue to keep an open mind about the service. The knowledge base is growing rapidly, but the conceptual structure that supports it is flimsy and insubstantial. Fortunately, current research efforts are improving this situation. Regardless of whether we like or dislike day care, it is, like the family, here to stay. That realization alone should strengthen our resolve not to compromise on the type of service we create. We have to continue to identify parameters of quality and become good matchmakers in terms of child care, family, and child characteristics. Through such efforts, a network of educare programs that will foster favorable development in children can become a national and global reality.


Zootaxa ◽  
2018 ◽  
Vol 4504 (2) ◽  
pp. 276
Author(s):  
QING-BO HUO ◽  
YU-ZHOU DU

A species of the genus Isoperla Banks, 1906, I. oncocauda Huo & Du, sp. nov. is described as new to science and is the first record for the family Perlodidae from the Tianmu Mountain Nature Reserve, Zhejiang Province of eastern coastal China. Both sexes of the new species are characterized by tergum 10 with a developed process. The partially extruded aedeagus of the male is membranous without conspicuous larger sclerites and with the ventral surface covered with dense scale-like and nail-shaped spines. 


A brief review of the major advances since 1979 in Silurian and Devonian palaeobotany is followed by a preliminary report on a Gedinnian assemblage from the Welsh Borderland. This is dominated by rhyniopsids and includes several species of Cooksonia and Salopella . Spores have been isolated from a number of taxa. The assemblage is used to illustrate the problems of recognition and classification of early vascular plants. Parallel sedimentological and palaeogeographical studies permit speculation on the ecology and life histories of the plants that colonized the Old Red Continent. It is concluded that the lack of well preserved and independently dated assemblages from elsewhere in the world (an exception being the Baragwanathia flora of Australia) prevents the detection of any provincialism in the late Silurian and early Devonian and makes generalizations on the early history of vascular plants premature.


2021 ◽  
Vol 13 (2021/1) ◽  
Author(s):  
Krisztina Teleki

The 20th century brought different periods in the history of Mongolia including theocracy, socialism and democracy. This article describes what renouncing the world (especially the home and the family), taking ordination, and taking monastic vows meant at the turn of the 20th century and a century later. Extracts from interviews reveal the life of pre-novices, illustrating their family backgrounds, connections with family members after ordination, and support from and towards the family. The master-disciple relationship which was of great significance in Vajrayāna tradition, is also described. As few written sources are available to study monks’ family ties, the research was based on interviews recorded with old monks who lived in monasteries in their childhood (prior to 1937), monks who were ordained in 1990, and pre-novices of the current Tantric monastic school of Gandantegčenlin Monastery. The interviews revealed similarities and differences in monastic life in given periods due to historical reasons. Though Buddhism could not attain its previous, absolutely dominant role in Mongolia after the democratic changes, nowadays tradition and innovation exist in parallel.


2020 ◽  
Vol 101 (4) ◽  
pp. 60-66
Author(s):  
Ye Tuyte ◽  

Writing is very important for human society. This is the highest indicator of cultural development. Writing provides linguistic communication between people. For many centuries man has been using writing to communicate with each other. It helps to connect people who are from each other both at close and at a great distance. The article examines the problem of the origin of writing in the history of mankind, the history of the formation and development of the known types of writing, as well as its social role (functions). The article reveals the issues of the process of improving writing: its meaning in the development of society, the main stages of its formation. The letter has a long and complex history of its development, which covers a period of several thousand years. Therefore, the article determines the place of pictographic, ideographic, syllabic and letter psychology in meeting social needs. of its time. The writing of the peoples of the world has developed along different paths, the writing of each language of the world has its own characteristics that distinguish it from all other types of written speech. The article covers in detail such issues as the approximate time of the origin of writing, the causes and foundations of its occurrence, i.e. the factors that influenced its emergence, as well as the first users of writing, the form of the first writing, its evolutionary development over time, existing today types and signs of writing. The issues of the alphabet that caused the origin of writing (writing), the first sounds and types of Phoenician writing, its improvement, Greek and Aramaic writing, which caused the origin of the alphabet of the countries of the West and the East, problems of the science of descriptiveness — the problem of graphics, spelling, transcription and transliteration are considered.


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