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Evolution and Phylogeny of Pancrustacea最新文献

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Yicaris, Rehbachiella, and Allies
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0049
F. Schram, S. Koenemann
{"title":"Yicaris, Rehbachiella, and Allies","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0049","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0049","url":null,"abstract":"The Cambrian Period has yielded incredible specimens of arthropods from various sites throughout the world that have stimulated much phylogenetic speculation and analysis. Some members of the Cambrian microbiota have figured in important ways in commentaries on the possible origins of crustaceans. These fossils all seem to be larvae. Speculations about phylogeny universally depend on comparisons among adult forms. This leads to a serious problem—incompatible semaphoront status. When undertaking phylogenetic analyses, one should strive to compare only similar life stages—that is, adults to adults or nauplii to nauplii. This chapter reviews several of these taxa for completeness, but it cannot argue for or against these species as being ancestral or stem forms.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115515795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Isopoda
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1007/978-3-662-43978-4_1628
F. Schram, S. Koenemann
{"title":"Isopoda","authors":"F. Schram, S. Koenemann","doi":"10.1007/978-3-662-43978-4_1628","DOIUrl":"https://doi.org/10.1007/978-3-662-43978-4_1628","url":null,"abstract":"","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128025466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
Mictacea Mictacea
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0028
F. Schram, S. Koenemann
{"title":"Mictacea","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0028","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0028","url":null,"abstract":"Mictacea demonstrates the confusion that occurs when animals share so many primitive features. Modest Guţu in fact erected a number of orders to accommodate them, but these do not seem entirely justified. Although the two orders erected by Guţu currently do not have much support, in fairness it must be recognized that molecules, or information from yet-to-be-recognized mictacean taxa, could change the situation. In this case, Guţu’s Bochusacea and Cosinzeneacea might yet prove useful. They inhabit anchialine caves and the deep sea. The animals are small, slender, and subcylindrical in outline. The diagnosis of Guţu to the contrary, none of these animals appear particularly “flattened” in cross-section.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134431607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Procaridea Procaridea
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0037
F. Schram, S. Koenemann
{"title":"Procaridea","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0037","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0037","url":null,"abstract":"Members of the infraorder Procaridea were at first located as a family of Caridea, then separated out as a sister group to the carideans, then placed back inside Caridea, and finally today currently sit as a distant sister group to Caridea. There are only six6 species known at present in two genera—certainly one of the smallest of pancrustacean groups. They brood their eggs on their pleopods, and so are good pleocyematans. What is distinctive about them is that they all occur on widely isolated islands. This could be a relict distribution from an ancient origin,. or perhaps these species might all be linked by certain “conveyor-belt” surface currents in the world’s oceans. We await further discoveries.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121720561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thylacocephala 树袋熊
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0041
F. Schram, S. Koenemann
{"title":"Thylacocephala","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0041","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0041","url":null,"abstract":"The infraclass Thylacocephala features marine predatory, or scavenging, arthropods that populated the seas from at least the Early Silurian to the Upper Cretaceous. The name “thylaco-cephala” refers to the sac-like (or bag-like, or pouch-like) head seen on many of the larger, better preserved species, which arises from an extreme hypertrophy of the compound eyes. Assessing the higher affinities and determining the internal phylogeny of thylacocephalans have proven difficult. This chapter advances hypotheses that the body tagmosis patterns could be either 5–8–0, or 5–8–8, although the Silurian Thylacares might be 5–8–14. Hence, they filled an effective role in the Paleozoic and Mesozoic seas as rapacious carnivores. It is suggested that they be possibly assigned to subclass Malacostraca.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134486494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tanaidacea
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0032
F. Schram, S. Koenemann
{"title":"Tanaidacea","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0032","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0032","url":null,"abstract":"At present, approximately 1,402 species of tanaidaceans are recognized—a sizable number and of the same order of magnitude as Cumacea. Within Tanaidacea, a surprising amount of anatomical diversity appears, especially within species. For decades, they have been divided into Dikonophora and Monokonophora, based on whether there are one or two genital cones in the males. The order displays widespread progeny, with females remaining in their burrows to bear the young, which eventually bore out of the burrows to take up independent existence in their own burrows. After reproducing, the females molt to eventually become copulatory males, which then range about seeking suitable females. Tanaidacea lack a telson in favor of an anal somite.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133629693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Branchiura 分支机构
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0008
F. Schram, S. Koenemann
{"title":"Branchiura","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0008","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0008","url":null,"abstract":"Originally perceived as siphonostome copepods, the branchiurans, or fish lice, separate phylogenetic status finds strong support from molecular sequences. Only 159 species are known, but this is likely an underestimate; the genus Argulus alone has 129 species. Branchiurans are distinctly flattened and not very large (4–15 mm), possess only a rudimentary abdomen at best, and the thinness of cuticles. Some species begin their development as metanauplii (with seven to nine stages), others as juveniles. They lack a fossil record, and the persistent myth that they are related to the Paleozoic and Mesozoic Cyclida is quite false. Molecular phylogeny based on 16S, 18S, and 28S rRNA links them to another parasitic group, Pentastomida.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134224100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Rhizocephala Rhizocephala
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0014
F. Schram, S. Koenemann
{"title":"Rhizocephala","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0014","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0014","url":null,"abstract":"Rhizocephalans are parasites that as adults lack any appendages, traces of segmentation, and all internal organs except for gonads and degenerated remnants of the nervous system—in fact, they bear no similarities to any arthropods. The taxonomy of the monophyletic Rhizocephala has long been recognized as artificial, taxa being diagnosed as they were largely on the basis of the gross form of the external manifestation of the parasite—that is, the female gonad bag or externa. They do have cirripede nauplii (zero to four stages) and cypris larvae. Sex is determined by size: Larger larvae become males, and smaller ones become females. As in all cirripedes, there is a lack of a functioning abdomen associated with the loss of expression of the Hox gene abdominal A.\u0000","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132675420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Aeschronectida
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0022
F. Schram, S. Koenemann
{"title":"Aeschronectida","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0022","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0022","url":null,"abstract":"Aeschronectida is a sister group of Stomatopoda within the cohort Hoplocarida, although it shares many apomorphies with the mantis shrimp. They have a shrimp-like habitus, moderate to large in size. The compound eyes were stalked and elevated on the anterior cephalon, with those of Kallidecthes richardsoni indicating dorsal and ventral lobes separated by a mid-band. Based on the hoplocarid features on the aeschronectidans (the enlarged pleon with gills on the pleopods, triflagellate antennules, an articulated rostrum over a probable cephalic kinesis, and thoracopods with three-article protopods and four-article endopods), it was concluded that the hoplocarid morphotype is very ancient and completely distinct from that of other eumalacostracans. That justified their treatment as a separate cohort of Malacostraca.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123873593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Caridea and Amphionides Caridea和Amphionides
Evolution and Phylogeny of Pancrustacea Pub Date : 2021-10-28 DOI: 10.1093/oso/9780195365764.003.0038
F. Schram, S. Koenemann
{"title":"Caridea and Amphionides","authors":"F. Schram, S. Koenemann","doi":"10.1093/oso/9780195365764.003.0038","DOIUrl":"https://doi.org/10.1093/oso/9780195365764.003.0038","url":null,"abstract":"The infraorder Caridea has figured under various names as an important component of natant decapods. But it was not until the 1980s that cladistic analyses of carideans appeared in print (Christoffersen), and that which lead to a series of cladistically framed revisions of the infraorder. With well over 3,000 species, the secret to their success most likely arises from their diverse modes of reproduction., They also possess multiple patterns of foregut ossicles, thus easily accommodating a wide variety of diets. Caridea, while conforming to a generalized natantian body type, is morphologically a rather diverse group in many subtle ways. It is difficult to provide exact numbers of taxa because this group is actively being worked on, with new species frequently being described.","PeriodicalId":338672,"journal":{"name":"Evolution and Phylogeny of Pancrustacea","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123989851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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