Tapeworms of the order

Order (biology)

In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

 Cyclophyllidea (the cyclophyllid cestodes) are the most important cestode parasites of humans and domesticated animals. All have multiple proglottid "segments," and all have four suckers on their scolex ("head"), though some may have other structures as well. Proglottids of this order have genital openings on one side (except in the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Dilepididae, which has genital openings on both sides), and a compact yolk gland or vitellarium posterior to the ovary.

Families include:

• Dipylidiidae (formerly Dilepididae), the most important member of which is Dipylidium caninum
  Dipylidium caninum
  Dipylidium caninum, also called the cucumber tapeworm or the double-pore tapeworm, is a cyclophyllid cestode that infects organisms afflicted with fleas, including canids, felids, and pet-owners, especially children. Adult worms are about 18 inches long...
  
  , also called the "cucumber
  Cucumber
  The cucumber is a widely cultivated plant in the gourd family Cucurbitaceae, which includes squash, and in the same genus as the muskmelon. The plant is a creeping vine which bears cylindrical edible fruit when ripe. There are three main varieties of cucumber: "slicing", "pickling", and...
  
   tapeworm" or the "double-pore tapeworm"
• Hymenolepididae
  Hymenolepididae
  Hymenolepididae is family of cyclophyllid tapeworms. The characteristic feature is the small number of testes . The unilateral genital pores and large external seminal vesicle allows for easy recognition...
  
  , with the most important genus being Hymenolepis
  Hymenolepis
  Hymenolepis is a genus of cyclophyllid tapeworms responsible for hymenolepiasis.Species include:*Hymenolepis nana*Hymenolepis diminuta*Hymenolepis microstoma- History :...
  
  .
• Taeniidae
  Taeniidae
  Taeniidae is a family of flatworms. It includes many tapeworms of medical and veterinary importance, as Taenia solium and Taenia saginata ....
  
  , which consists of livestock parasites in the genus
  Genus
  In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
  
   Taenia
  Taenia (tapeworm)
  Taenia is a genus of tapeworm that includes some important parasites of livestock. Members of the genus are responsible for taeniasis and cysticercosis in humans. There are more than 100 species recorded...
  
  and parasites that encyst in humans of the genus Echinococcus
  Echinococcus
  The genus Echinococcus includes six species of cyclophyllid tapeworms to date, of the family Taeniidae. Infection with Echinococcus results in hydatid disease, also known as echinococcosis....
  
  
• Anoplocephalidae, which includes several tapeworms of horses and a genus
  Genus
  In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
  
   of tapeworms of ruminants, the Moniezia
  Moniezia
  Moniezia a genus of tapeworms that are parasitic in mammals, including sheep, goat and cattle. It comprises four known species such as M. expansa, M. benedeni, M. autumnalis and M. baeri. M. expansa is the most well known species within the genus because of its high prevalence. Members of the genus...
  
  .
• Davaineidae
  Davaineidae
  Davaineidae is the name of a family of tapeworms that includes helminth parasites of vertebrates. There are 14 genus recorded under this family, of which Raillietina is the best understood and most extensively studied...
  
   that comprises 14 genera
  Genera
  Genera is a commercial operating system and development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the MIT AI Lab's Lisp machines which Symbolics had used in common with LMI and Texas Instruments...
  
  , most of which are parasites of birds.