Table 1 Sampling information and accession numbers of Frontonia species from the present study

Frontonia vernalis- Neotype

IPSal+b

Mouth of Serchio River, Pisa

Italy

N. 43° 47′ 7.524″ E. 10° 15′ 57.44”

2017

Freshwater

MT040840

Frontonia sp.^a

FSPBb

Old Peterhof, St. Petersburg

Russia

N. 59° 52′ 45.88′′ E. 29° 51′ 37.224′′

2016

Freshwater

NO DATA

Frontonia paravernalis

IPSal+sm

Mouth of Serchio River, Pisa

Italy

N. 43° 47′ 7.524″ E. 10° 15′ 57.44”

2017

Freshwater

MT040839

Frontonia paravernalis

FSPBsm

Old Peterhof, St. Petersburg

Russia

N. 59° 52′ 45.88′′ E. 29° 51′ 37.224′′

2016

Freshwater

MT040838

Frontonia sp.

IPSal-

Mouth of Serchio River, Pisa

Italy

N. 43° 47′ 7.524″ E. 10° 15′ 57.44”

2017

Freshwater

MT040841

Frontonia sp.

VmFr

Monte Urpino Park, Cagliari

Italy

N. 39° 13′ 2.716″ E. 9° 8′ 1.345”

2017

Freshwater

MT040842

Frontonia sp.

BJ4

Balugoan Jetty, Chilka Lake, Odisha

India

N. 19° 44′ 37.021″ E. 85° 12′ 44.398”

2014

Brackish water

MT040843

Frontoni atra

F4

Mouth of Serchio River, Pisa

Italy

N. 43° 47′ 7.524″ E. 10° 15′ 57.44”

2005

Freshwater

MT040844

Frontonia fusca

F3

Mouth of Serchio River, Pisa

Italy

N. 43° 47′ 7.524″ E. 10° 15′ 57.44”

2005

Brackish water

MT040845

Frontonia leucas

IPBG

Pond in Botanical garden of University of Pisa, Pisa

Italy

N. 43° 43′ 10.97″ E. 10° 23′ 45.387”

2005

Freshwater

AM072622

Frontonia leucas

KNP3

Kolleru lake, Andhra Pradesh

India

N. 16° 43′ 10.2″ E. 81° 19′ 35.2”

2016

Freshwater

KY855558

Frontonia minuta

F2

Mouth of Serchio River, Pisa

Italy

N. 43° 47′ 7.524″ E. 10° 15′ 57.44”

2005

Freshwater

MT040846

Frontonia paramagna

KTC4

Kolleru lake, Andhra Pradesh

India

N. 16° 43′ 18.1″ E. 81° 19′ 37.3”

2014

Freshwater

KY855559

Frontonia paramagna

KKR19

Kolleru lake, Andhra Pradesh

India

N. 16° 43′ 10.2″ E. 81° 19′ 35.2”

2014

Freshwater

KY855554

Frontonia paramagna

ML

Mudasarlova Garden, Visakhapatnam, Andhra Predesh

India

N. 17° 45′ 43.175″ E. 83° 17′ 47.302”

2015

Freshwater

LT628495

Frontonia paramagna

BDM3

Boddam pond, Andhra Pradesh

India

N. 18° 3′ 59.425″ E. 83° 8′ 34.346”

2014

Freshwater

MT040847

Frontonia paramagna

KT1

Kottavuro pond, Andhra Pradesh

India

N. 18° 5′ 34.764″ E. 83° 8′ 10.557”

2014

Freshwater

MT040848

Frontonia paramagna

GVMC17

Mudasarlova Garden, Visakhapatnam, Andhra Predesh

India

N. 17° 45′ 43.175″ E. 83° 17′ 47.302”

2014

Freshwater

MT040849

Frontonia vesiculosa

KP2

Gosthani River near Kasipatnam, Andhra Pradesh

India

N. 18° 13′ 1.747″ E. 83° 6′ 41.954”

2014

Freshwater

MT040850