WoRMS taxon details

Hepatoxylon trichiuri (Holten, 1802) Dollfus, 1942

105352  (urn:lsid:marinespecies.org:taxname:105352)

accepted
Species
Dibothriorhynchus lepidopi Blainville, 1828 · unaccepted > junior subjective synonym
Dibothriorhynchus trichiuri (Holten, 1802) Dollfus, 1931 · unaccepted > superseded combination
Echinorhynchus trichiuri Holten, 1802 · unaccepted > superseded combination
Hepatoxylon squali Bosc, 1811 · unaccepted (synonym)
Tetrarhynchus discophorus Rudolphi, 1819 · unaccepted > junior subjective synonym
marine
Not documented
Taxonomic remark This combination is often cited as (Holten, 1802) Bosc, 1811, but there is no mention of this species in Bosc's original...  
Taxonomic remark This combination is often cited as (Holten, 1802) Bosc, 1811, but there is no mention of this species in Bosc's original description of the genus. [details]

Taxonomy As far as I can tell: In 1929, Dollfus lists the known genera of trypanorhychs. Genus no. 3 is Hepatoxylon with H. squali...  
Taxonomy As far as I can tell: In 1929, Dollfus lists the known genera of trypanorhychs. Genus no. 3 is Hepatoxylon with H. squali Bosc as type species (p. 317).
Genus no 8 is Dibothriocephalus with D. lepidopi Blainville, 1828 as type species (p. 323) .
Then, on the same page, there is a footnote to say that lepidopi falls as a synonym of trichiuri Holten 1802, apparently because Holten got the name of the host wrong and it was the same host (Lepidopus) as Blainville’s.

In Dollfus, 1930 (actually published in 1931), Dollfus again lists the valid genera of trypanorhynchs, but there is no mention of Hepatoxylon, only Dibothriorhynchus with D. trichiuri (Holten, 1802) as the type species.

In 1942 (p. 86), he explains that in 1929 he thought that Hepatoxylon may have been a synonym of Dibothriocephalus (he may have meant that he thought this in 1930/1931), but that he had changed his mind and considered Dibothriocephalus to be a synonym of Hepatoxylon. And so, he takes the oldest species in the genus, H. trichiurid Holten, 1802 as the type species. QED.

I guess that does mean that the synonymy of H. squali with H. trichiuri is on p. 86 of Dollfus (1942), but you really have to read all three papers to sort this out.

I. Beveridge June 2022 [details]
WoRMS (2024). Hepatoxylon trichiuri (Holten, 1802) Dollfus, 1942. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=105352 on 2024-11-07
Date
action
by
2004-12-21 15:54:05Z
created
2010-08-19 12:48:05Z
changed
2018-02-24 15:13:45Z
changed
2022-06-21 10:34:11Z
changed

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


original description (of Hepatoxylon squali Bosc, 1811) Bosc, L.A.G. (1811). Sur deux nouveaux genres de vers. <em>Nouveau Bulletin des Sciences par la Société Philomatique de Paris,.</em> An. 4 (51), v. 2, pp. 269-270. [details] 

basis of record Bray, R.A. (2001). Cestoda, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 146-149 (look up in IMIS) [details] 

additional source Johns, P.; Newman, L.J.; Holleman, J.J.; Dawson, E.W.; Sterrer, W.; Allison, F.R.; Diggles, B.K.; Andrews, J.R.H.; Hine, P.M.; McKenna, P.B.; Poulin, R. (2009). Phylum Platyhelminthes: flatworms, tapeworms, flukes, in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 102-128. [details] 

additional source Lethbridge, R. C., Potter, I. C., Bray, R. A., Hilliard, R. W. (1983). The presence of helminths in a Southern Hemisphere lamprey (Geotria australis Gray), with a discussion of the significance of feeding mechanisms in lampreys in relation to the acquisition of parasites. <em>Acta Zoologica.</em> 64, 79–83.
page(s): 80 [details] 

additional source Santoro, M., M. Palomba, S. Mattiucci, D. Osca & F. Crocetta. (2020). New Parasite Records for the Sunfish Mola mola in the Mediterranean Sea and Their Potential Use as Biological Tags for Long-Distance Host Migration. <em>Frontiers in Veterinary Science.</em> 7:1-8., available online at https://doi.org/10.3389/fvets.2020.579728 [details] Available for editors  PDF available [request]

additional source Bennett, J.; Poulin, R.; Presswell, B. (2022). Annotated checklist and genetic data for parasitic helminths infecting New Zealand marine invertebrates. <em>Invertebrate Biology.</em> 141(3): e12380., available online at https://doi.org/10.1111/ivb.12380 [details] Available for editors  PDF available [request]

redescription Knoff, M.; São Clemente, S. C. de; Pinto, R. M.; Lanfredi, R. M.; Gomes, D. C. (2004). New records and expanded descriptions of Tentacularia coryphaenae and Hepatoxylon trichiuri homeacanth trypanorhynchs (Eucestoda) from carcharhinid sharks from the state of Santa Catarina off-shore, Brazil. <em>Revista Brasileira de Parasitologia Veterinária.</em> v. 13, n. 2 , p. 73-80. [details] 
 
 Present  Present in aphia/obis/gbif/idigbio   Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Taxonomic remark This combination is often cited as (Holten, 1802) Bosc, 1811, but there is no mention of this species in Bosc's original description of the genus. [details]

Taxonomy As far as I can tell: In 1929, Dollfus lists the known genera of trypanorhychs. Genus no. 3 is Hepatoxylon with H. squali Bosc as type species (p. 317).
Genus no 8 is Dibothriocephalus with D. lepidopi Blainville, 1828 as type species (p. 323) .
Then, on the same page, there is a footnote to say that lepidopi falls as a synonym of trichiuri Holten 1802, apparently because Holten got the name of the host wrong and it was the same host (Lepidopus) as Blainville’s.

In Dollfus, 1930 (actually published in 1931), Dollfus again lists the valid genera of trypanorhynchs, but there is no mention of Hepatoxylon, only Dibothriorhynchus with D. trichiuri (Holten, 1802) as the type species.

In 1942 (p. 86), he explains that in 1929 he thought that Hepatoxylon may have been a synonym of Dibothriocephalus (he may have meant that he thought this in 1930/1931), but that he had changed his mind and considered Dibothriocephalus to be a synonym of Hepatoxylon. And so, he takes the oldest species in the genus, H. trichiurid Holten, 1802 as the type species. QED.

I guess that does mean that the synonymy of H. squali with H. trichiuri is on p. 86 of Dollfus (1942), but you really have to read all three papers to sort this out.

I. Beveridge June 2022 [details]
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