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myriapods & isopods


marine molluscs




Batjakas & Economakis (2002) provide an illustrated selection of the inshore invertebrate fauna of the Greek coast, including forty-seven pages on molluscs. There is, however, no indication of the distribution of each species. Tenekidis (1989) may provide more information on the occurrence of species in the Aegean but I have not seen this book (the text of which is presumably in Greek). Another general reference that might be worth consulting is Moosleitner & Patzner 1995. In 2012 Thanasis Manousis published his lavishly illustrated bilingual opus of The Sea Shells of Greece (available from Kyriakidis Brothers s.a.) and followed this with Hellenic Conches in 2021 which extends coverage to include the fauna of the Adriatic as well as the Aegean. This beautifully produced book is available from Conchbooks.

Sylvia van Leeuwen & Bart van Tooren of The Netherlands visited the island on 3-17 May 2004 and recorded 183 different taxa (listed below) on the beaches. I have not been able to research this aspect of Thásos's wildlife yet and hence have no idea how many species one may expect around the shores of Thásos, nor if any of these species are of biogeographical interest. However, this list predominately consists of shallow water species and many more will be found in the deeper waters around the coasts of Thásos. Manousis (2021) lists 1344 marine Mollusca as being recorded from Greek waters and 252 taxa as having been reported from the sea and coast of the north-eastern Aegean. In the meantime I offer Sylvia's comments on her experiences of collecting marine Mollusca on Thásos.

"My first impression was that Thassos did not have much to offer for shell collectors. The reason is that you will seldom find a good driftline. But with some effort, a large number of species can be found, especially small species. All species mentioned on the list were found dead on the beaches and in the harbours. In early May the water was too cold to go snorkelling, so I do not know if this is worthwhile.

By far the best places for shell collecting are Trypiti Beach (about 4 km west of Limenaria) and the beach about 1 km west of Limenaria, separated by big rocks from Trypiti Beach. In the lower driftline you can find large numbers of all kinds of small shells. It might be interesting to collect some shellgrit for the micro-species. Bigger species, especially bivalves, can be found in the high tide line.

Other good places:

- The beach near Cap Prinos (start in the village Skala Prinos and walk to the south-west around the Cape). The first part of the beach is covered with a lot of seagrass, look under and between the seagrass for shells. Further on there is a sandy beach with a driftline. Give particular attention to the few stones and rock-blocks on the beach, in the shadow of these blocks you can find small shells washed in by the sea.
- The beach east of Potos, where the river empties into the sea.

- The harbour of Skala Potamias and the corner of the beach immediately next to the harbour.

- The traditional harbour of Chrysi Ammoudia, especially in the fisherman's pots. Some shells can be also found at nearby Golden Beach, especially  big bivalves (Acanthocardia and Glycymeris).

- The small beach in the harbour of Thassos Town (it does not seem very exciting, but here I collected shell grit that contained a lot of micro-shells which I did not found in other places)."

 If any visitors to this website can offer additional information on the marine molluscs of Thásos I would be very pleased to hear from them.



Acteon tornatilis

Sepia dorbignyana

Alvania cancellata

Alvania cimex


Alvania discors

Abra longicallus

Alvania geryonia

Acanthocardia aculeata

Alvania lactea

Acanthocardia tuberculata

Alvania lineata

Angulus tenuis

Alvania rudis?

Anomia ephippium

Aporrhais pespelecani

Arca noae

Astraea rugosa

Barbatia barbata

Bela nebula

Callista chione

Bittium latreillii

Cardita calyculata

Bittium reticulatum

Cardites antiquata

Bolinus brandaris

Cerastoderma glaucum

Bulla striata

Chama gryphoides

Calliostoma dubium

Chamelea gallina

Calyptraea chinensis

Chlamys glabra

Cassiella abylensis?

Chlamys varia

Caviolina tridentata uncinata

Corbula gibba

Cerithium alucaster

Ctena decussata

Cerithium lividulum (= C. renovatum)

Donacilla cornea

Cerithium rupestre (= C. renovatum)

Donax semistriatus

Cerithium vulgatum

Donax trunculus

Cirsotrema pumicea

Donax venustus

Clanculus corallinus

Dosinia lupinus

Clanculus cruciatus

Ensis ensis sicula

Columbella rustica

Ensis minor

Conus ventricosus

Gari depressa

Crepidula gibbosa

Gastrana fragilis

Cyclope donovania

Gastrochaena dubia

Cyclope neritea

Glans trapezia

Diodora gibberula

Glycymeris insubrica

Diodora graeca

Glycymeris pilosa

Diodora italica

Gouldia minima

Emarginula octaviana

Gregariella petagnae

Emarginula sicula

Gregariella subclavata

Epitonium clathrus

Heteranomia sqamula

Epitonium turtonis

Hiatella arctica

Fissurella nubecula

Irus irus

Fusinus syracusanus

Laevicardium crassum

Fusinus pulchellus

Laevicardium oblongum

Gibbula adansoni

Limaria hians

Gibbula albida

Limaria inflata

Gibbula divaricata

Lithophaga lithophaga

Gibbula fanulum

Loripes lucinalis

Gibbula magus

Mactra glauca

Gibbula philberti

Mactra stultorum

Gibbula rarilineata

Mactra stultorum, form alba

Gibbula (Phorcus) richardi

Modiolus barbatus

Gibbula umbilicaris

Musculus costulatus

Gibbula umbilicaris form nebulosa

Musculus subpictus

Gibbula varia

Myrtea spinifera

Granulina clandestina

Mytilaster marioni

Haliotis tuberculata

Mytilus edulis galloprovincialis

Haliotis tuberculata f. lamellosa

Nucula sulcata

Hexaplex trunculus

Nuculana commutata

Jujubinus exasperatus

Ostrea sp.

Jujubinus striatus

Pandora inaequivalivs

Littorina neritoides

Paphia aurea

Lunatia (Euspira) guillemini

Parvicardium exiguum

Lunatia (Euspira) pulchella

Parcicardium scriptum

Mangelia cf. derelicta

Pecten jacobaeus

Mangelia scabrida

Petricola lajonkairii

Manzonia crassa

Petricola lithophaga

Marshallora adversa

Petricola substriata

Monodonta articulata

Pinna nobilis

Monodonta (Phorcus) mutabilis

Pitar rudis

Monodonta turbinata

Plagiocardium papillosum

Monophorus perversus

Pododesmus aculeatus

Muricopsis cristatus

Pseudochama gryphina

Nassarius cuvieri

Solemya togata

Nassarius incrassatus

Solen marginatus

Nassarius mutabilis

Spisula subtruncata

Nassarius nitidus

Spondylus gaederopus

Naticarius cruentatus (= N. hebraea)

Striarca lactea

Naticarius punctatus  (= N. stercusmuscarum)

Tellina distorta

Neverita josephina

Tellina donacina

Ocenebra erinaceus

Tellina incarnata

Ocenebrina edwardsi

Tellina planata

Ovatella firmini

Tellina serrata

Paludinella sicana

Timoclea ovata

Patella caerulea

Venerupis senegalensis (= V. corrugata f. saxatilis)

Patella rustica

Venus verrucosa

Patella ulyssiponensis

Pisania striata

Raphitoma cf. echinata/ horrida

Raphitoma linearis

Rissoa guerini

Rissoa lilacina

Rissoa marginata

Rissoa similis

Rissoa splendida

Rissoa ventricosa

Rissoina bruguieri

Thais haemastoma

Tonna galea

Tricolia pullus

Turbonilla cf acutissima

Turritella communis

Turritella monterosatoi

Vexillum ebenus

Vexillum littoralis




Batjakas, I.E. & Economakis, A.E. 2002. The Greek seashore: a field guide to coastal invertebrates. Efstathiadis Group S.A., Athens. 223 pages.

Manousis, T. 2012. The Sea Shells of Greece. Kyriakidis Bros. S.A. Thessaloniki. 384 pages.

Manousis, T. 2021. Hellenic Conches. Harxheim: Conchbooks. 607 pages.

Moosleitner, H. & Patzner, R. 1995. Unterwasserführer Mittelmeer Niedere Tiere [Underwater guide Mediterranean invertebrates]. Delius Klasing, Edition Naglschmid. Stuttgart. 214 pages.

Tenekidis, N.S. 1989. Mia Syllogi Koghylion apo tis Ellinikes Thalasses [A collection of shells from the Greek seas]. Protopapa Brothers Ltd. Greece. 187 pages.