Thylacodes squamigerus

{{Short description|Species of gastropod}}

{{More citations needed|date=August 2018}}

{{Speciesbox

| image = Serpulorbis squamigerus.jpg

| image_caption = A view of the shell of a live Thylacodes squamigerus

| genus = Thylacodes

| species = squamigerus

| authority = (Carpenter, 1856)

| synonyms =

}}

Thylacodes squamigerus, common name the scaled wormsnail, is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails. This species was previously known as Serpulorbis squamigerus.{{cite web |last1=Bieler |first1=R |title=Thylacodes squamigerus (Carpenter, 1857) |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=709499 |website=World Register of Marine Species |access-date=18 December 2018}}

This worm snail lives along the Pacific coast of North America, south of Monterey.{{Cite book |last=Russo |first=Ron |title=Pacific Intertidal Life: A guide to organisms of rocky reefs and tide pools of the Pacific Coast |last2=Olhausen |first2=Pam |publisher=AdventureKEEN |year=1981 |isbn=978-0-912550-32-9 |pages=21 |language=en-us}} This species is often cemented into colonies and is a uniquely sedentary snail. It has no operculum.