page_title: Vermes in the 10th edition of Systema Naturae
section_title: Intestina
hierarchical_section_title: Vermes in the 10th edition of Systema Naturae / Intestina
caption_attribution_description: Čeština: Dospělec Fasciola hepatica. English: Adult of Fasciola hepatica.
context_page_description: In 1758, in the 10th edition of Systema Naturae, the Swedish scientist and taxonomist Carl Linnaeus described the class "Vermes" as:
  Animals of slow motion, soft substance, able to increase their bulk and restore parts which have been destroyed, extremely tenacious of life, and the inhabitants of moist places. Many of them are without a distinct head, and most of them without feet. They are principally distinguished by their tentacles. By the Ancients they were not improperly called imperfect animals, as being destitute of ears, nose, head, eyes and legs; and are therefore totally distinct from Insects.
  Linnaean Characteristics
  Heart: 1 auricle, 0 ventricles. Cold, pus-like blood.
  Spiracles: obscure
  Jaw: various
  Penis: frequently hermaphrodites
  Organs of Sense: tentacles, eyes, no brain, no ears, no nostrils
  Covering: calcareous or none, except spines
  Supports: no feet, no fins. Crawls in moist places & are mute
  The class Vermes, as Linnaeus conceived it, was a rather diverse and mismatched grouping of animals; basically it served as a wastebasket taxon for any invertebrate species that was not an arthropod.
context_section_description: Gordius (horsehair worms)
  Gordius aquaticus 
  Gordius argillaceus
  Gordius medinensis – Dracunculus medinensis 
  Furia
  Furia infernalis – Despite the many accounts of this purported animal by respected authorities, including Daniel Solander and Linnaeus himself, it is now accepted that no such animal exists.
  Lumbricus (earthworms)
  Lumbricus terrestris – common earthworm
  Lumbricus marinus – lugworm
  Ascaris (giant intestinal roundworms)
  Ascaris vermicularis – pinworm
  Ascaris lumbricoides – giant roundworm
  Fasciola (liver flukes)
  Fasciola hepatica – sheep liver fluke
  Fasciola intestinalis
  Hirudo (leeches)
  Hirudo sanguisuga – Haemopis sanguisuga, horse leech
  Hirudo medicinalis – Hirudo medicinalis, European medicinal leech
  Hirudo octoculata - Erpobdella octoculata 
  Hirudo stagnalis - Helobdella stagnalis 
  Hirudo complanata - Glossiphonia complanata 
  Hirudo indica
  Hirudo geometra- Piscicola geometra 
  Hirudo muricata - Pontobdella muricata 
  Myxine (hagfishes)
  Myxine glutinosa – Atlantic hagfish
  Teredo (shipworms)
  Teredo lapidaria
  Teredo navalis – naval shipworm
caption: The sheep liver fluke was named Fasciola hepatica in 1758.
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