Caecum cf. corrugulatum Carpenter, 1857

Egger, Christina, Neusser, Timea P., Norenburg, Jon, Leasi, Francesca, Buge, Barbara, Vannozzi, Angelo, Cunha, Regina L., Cox, Cymon J. & Joerger, Katharina M., 2020, Uncovering the shell game with barcodes: diversity of meiofaunal Caecidae snails (Truncatelloidea, Caenogastropoda) from Central America, ZooKeys 968, pp. 1-42 : 1

publication ID

https://dx.doi.org/10.3897/zookeys.968.52986

publication LSID

lsid:zoobank.org:pub:4296306E-51B9-4873-AB6F-4B475194CA98

persistent identifier

https://treatment.plazi.org/id/2CAE5AA9-3E97-5FA4-889D-EDE150342781

treatment provided by

ZooKeys by Pensoft

scientific name

Caecum cf. corrugulatum Carpenter, 1857
status

 

Caecum cf. corrugulatum Carpenter, 1857

Caecum corrugulatum Carpenter, 1857: 327, pl. 37, figs 375, 1547. Type locality: Mazatlán, 1 sp. off Chama [Mexico].

Material examined.

Panama • 1 (Fig. 5F, G View Figure 5 ); Achotines; 7.6207, -80.0013; depth 12 m; 29 Feb 2016; USNM Achotines2016 exped.; Stat. PA14; DNA voucher; GenBank: MT727069, MT731722; USNM 1618861.

Shell morphology.

Shell color whitish translucent. Tube regularly curved, shape equal in width but bears prominent edge at transition to septum (Fig. 5F View Figure 5 ). Septum round and blistered lacking a mucro. Aperture equally wide as tube with straight edge. Sculpture appears completely smooth but shows fine concentric ribs at higher magnification (Fig. 5G View Figure 5 ).

Remarks.

We assigned the specimen collected in the Pacific coast of Panama to C. corrugulatum based on the description of Carpenter (1858-1859) who already highlighted its similarity with another inconspicuous species ( C. glabriforme ). Both species are described from the same geographic area ( Mazatlán, Pacific coast of Mexico) and resemble the C. glabrum -like type: translucent, blistered septum without mucro, smooth, however slightly bigger than the eponymous C. glabrum from European waters. Caecum corrugulatum , can be distinguished by microsculptural concentric wrinkles, which could be observed with higher magnification in our specimen. So far, only C. glabriforme was recorded in Pacific Panama ( Lightfoot 1993b) and recollection at the type locality is needed to 1) confirm the validity of both co-occurring species and reject conspecificity and 2) to confirm their putative distribution range from Mexico to Panama and exclude the possibility of further cryptic species among C. glabriforme and C. corrugulatum species along the Pacific Coast of Central America (as discovered herein for the Atlantic Coast, see below).

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Littorinimorpha

Family

Caecidae

Genus

Caecum

Loc

Caecum cf. corrugulatum Carpenter, 1857

Egger, Christina, Neusser, Timea P., Norenburg, Jon, Leasi, Francesca, Buge, Barbara, Vannozzi, Angelo, Cunha, Regina L., Cox, Cymon J. & Joerger, Katharina M. 2020
2020
Loc

Caecum corrugulatum

Carpenter 1857
1857