Lithacrosiphon

{{Short description|Genus of worms}}

{{Automatic taxobox

| image = Lithacrosiphon cristatus.jpg

| image_caption = Lithacrosiphon cristatus

| taxon = Lithacrosiphon

| authority = Shipley, 1902

| subdivision = *Lithacrosiphon cristatus

• Lithacrosiphon maldivensis
• Lithacrosiphon uniscutatus

}}

Lithacrosiphon is a genus of worms belonging to the family Aspidosiphonidae.{{cite web |title=Lithacrosiphon Shipley, 1902 |url=https://www.gbif.org/species/2510218 |website=www.gbif.org |access-date=11 May 2021 |language=en}}

The species of this genus are found in all world oceans.

Species:{{Cite journal |last1=Cutler |first1=Edward B. |last2=Jurczak |first2=Elaine |date=April 1975 |title=The sipunculan genus Lithacrosiphon Shipley. A taxonomic review |url=https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.1975.tb00266.x |journal=Zoological Journal of the Linnean Society |language=en |volume=56 |issue=3 |pages=235–248 |doi=10.1111/j.1096-3642.1975.tb00266.x|url-access=subscription }}

• Lithacrosiphon cristatus {{small|(Sluiter, 1902)}}
• Subsp. L. c. cristatus {{small|(Sluiter, 1902)}}
• Subsp. L. c. lakshadweepensis {{small|Halder, 1991}}{{Cite web |title=ITIS - Report: Lithacrosiphon cristatus |url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=154871#null |access-date=2022-10-15 |website=www.itis.gov}}
• Lithacrosiphon maldivensis {{small|Shipley, 1902}}
• Lithacrosiphon uniscutatus {{small|Fischer, 1902}}{{Cite web |website=WoRMS - World Register of Marine Species |title= Lithacrosiphon uniscutatus Fischer, 1922 |url=https://www.marinespecies.org/aphia.php?p=taxdetails&id=425161 }}